[kmail2] [Bug 434582] New: Kmail segmentation fault

[Sławek]

https://bugs.kde.org/show_bug.cgi?id=434582

            Bug ID: 434582
           Summary: Kmail segmentation fault
           Product: kmail2
           Version: 5.16.3
          Platform: Archlinux Packages
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: kdepim-bugs at kde.org
          Reporter: slawek at kaplonski.pl
  Target Milestone: ---

SUMMARY

I just got seg fault in Kmail:

Application: KMail (kmail), signal: Segmentation fault

[KCrash Handler]
#4  0x00007f2e940019e0 in KCalendarCore::IncidenceBase::uid() const () at
/usr/lib/libKF5CalendarCore.so.5
#5  0x00007f2e58482503 in  () at /usr/lib/libKF5AkonadiCalendar.so.5
#6  0x00007f2e5848b89e in  () at /usr/lib/libKF5AkonadiCalendar.so.5
#7  0x00007f2e5848c577 in  () at /usr/lib/libKF5AkonadiCalendar.so.5
#8  0x00007f2e9ac8ed86 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f2e9abf0f86 in QAbstractItemModel::dataChanged(QModelIndex const&,
QModelIndex const&, QVector<int> const&) () at /usr/lib/libQt5Core.so.5
#10 0x00007f2e9ac2d608 in  () at /usr/lib/libQt5Core.so.5
#11 0x00007f2e9ac8edc0 in  () at /usr/lib/libQt5Core.so.5
#12 0x00007f2e9abf0f86 in QAbstractItemModel::dataChanged(QModelIndex const&,
QModelIndex const&, QVector<int> const&) () at /usr/lib/libQt5Core.so.5
#13 0x00007f2e9ac2d608 in  () at /usr/lib/libQt5Core.so.5
#14 0x00007f2e9ac8edc0 in  () at /usr/lib/libQt5Core.so.5
#15 0x00007f2e9abf0f86 in QAbstractItemModel::dataChanged(QModelIndex const&,
QModelIndex const&, QVector<int> const&) () at /usr/lib/libQt5Core.so.5
#16 0x00007f2e9ac2d608 in  () at /usr/lib/libQt5Core.so.5
#17 0x00007f2e9ac8edc0 in  () at /usr/lib/libQt5Core.so.5
#18 0x00007f2e9abf0f86 in QAbstractItemModel::dataChanged(QModelIndex const&,
QModelIndex const&, QVector<int> const&) () at /usr/lib/libQt5Core.so.5
#19 0x00007f2e98995c7a in  () at /usr/lib/libKF5ItemModels.so.5
#20 0x00007f2e9ac8edc0 in  () at /usr/lib/libQt5Core.so.5
#21 0x00007f2e9abf0f86 in QAbstractItemModel::dataChanged(QModelIndex const&,
QModelIndex const&, QVector<int> const&) () at /usr/lib/libQt5Core.so.5
#22 0x00007f2e98c4a74c in  () at /usr/lib/libKF5AkonadiCore.so.5
#23 0x00007f2e98c52c69 in  () at /usr/lib/libKF5AkonadiCore.so.5
#24 0x00007f2e9ac8edc0 in  () at /usr/lib/libQt5Core.so.5
#25 0x00007f2e98bb5f88 in Akonadi::Monitor::itemChanged(Akonadi::Item const&,
QSet<QByteArray> const&) () at /usr/lib/libKF5AkonadiCore.so.5
#26 0x00007f2e98bc6f34 in
Akonadi::MonitorPrivate::emitItemsNotification(Akonadi::Protocol::ItemChangeNotification
const&, QVector<Akonadi::Item> const&, Akonadi::Collection const&,
Akonadi::Collection const&) () at /usr/lib/libKF5AkonadiCore.so.5
#27 0x00007f2e98bc830b in
Akonadi::MonitorPrivate::emitNotification(QSharedPointer<Akonadi::Protocol::ChangeNotification>
const&) () at /usr/lib/libKF5AkonadiCore.so.5
#28 0x00007f2e98bc53dc in Akonadi::MonitorPrivate::dispatchNotifications() ()
at /usr/lib/libKF5AkonadiCore.so.5
#29 0x00007f2e98bc56c4 in
Akonadi::MonitorPrivate::slotNotify(QSharedPointer<Akonadi::Protocol::ChangeNotification>
const&) () at /usr/lib/libKF5AkonadiCore.so.5
#30 0x00007f2e98bc8827 in Akonadi::MonitorPrivate::handleCommands() () at
/usr/lib/libKF5AkonadiCore.so.5
#31 0x00007f2e9ac84532 in QObject::event(QEvent*) () at
/usr/lib/libQt5Core.so.5
#32 0x00007f2e9b71f752 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/libQt5Widgets.so.5
#33 0x00007f2e9ac57a2a in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/libQt5Core.so.5
#34 0x00007f2e9ac5a523 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#35 0x00007f2e9acb1054 in  () at /usr/lib/libQt5Core.so.5
#36 0x00007f2e9507fb84 in g_main_context_dispatch () at
/usr/lib/libglib-2.0.so.0
#37 0x00007f2e950d3c21 in  () at /usr/lib/libglib-2.0.so.0
#38 0x00007f2e9507e3b1 in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#39 0x00007f2e9acb0691 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#40 0x00007f2e9ac563ac in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#41 0x00007f2e9ac5e844 in QCoreApplication::exec() () at
/usr/lib/libQt5Core.so.5
#42 0x00005633397b3181 in  ()
#43 0x00007f2e9a61db25 in __libc_start_main () at /usr/lib/libc.so.6
#44 0x00005633397b337e in  ()
[Inferior 1 (process 105041) detached]


STEPS TO REPRODUCE
Just run Kmail in the background. I wasn't doing anything special when it
happened.


OBSERVED RESULT
Seg fault

EXPECTED RESULT
It should run properly

SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE Plasma Version: 5.21.3
KDE Frameworks Version: 5.80.0
Qt Version: 5.15.2
Kernel Version: 5.11.7-arch1-1
OS Type: 64-bit
Graphics Platform: X11
Processors: 12 × Intel® Core™ i7-9850H CPU @ 2.60GHz
Memory: 62,6 GiB of RAM
Graphics Processor: Mesa Intel® UHD Graphics 630
(available in About System)

ADDITIONAL INFORMATION
KMail
Version 5.16.3 (20.12.3)

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