Bug 466754

Application: kalendar (22.12.3)
 (Compiled from sources)
Qt Version: 5.15.2
Frameworks Version: 5.103.0
Operating System: Linux 5.19.13 x86_64
Windowing System: X11
Distribution: LFS
DrKonqi: 5.27.2 [KCrashBackend]

-- Information about the crash:
Tried to edit and add events via Kalendar it crashes every time.

The crash can be reproduced every time.

-- Backtrace:
Application: Kalendar (kalendar), signal: Segmentation fault

[KCrash Handler]
#4  0x00007f7fe4c221f5 in QDateTime::operator=(QDateTime const&) () at /usr/lib/libQt5Core.so.5
#5  0x0000561fa39a46d4 in  ()
#6  0x00007f7fe4d71066 in  () at /usr/lib/libQt5Core.so.5
#7  0x00007f7fe4cd55a5 in QAbstractItemModel::dataChanged(QModelIndex const&, QModelIndex const&, QVector<int> const&) () at /usr/lib/libQt5Core.so.5
#8  0x00007f7fe4d10f87 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f7fe4d710a0 in  () at /usr/lib/libQt5Core.so.5
#10 0x00007f7fe4cd55a5 in QAbstractItemModel::dataChanged(QModelIndex const&, QModelIndex const&, QVector<int> const&) () at /usr/lib/libQt5Core.so.5
#11 0x00007f7fe4d10f87 in  () at /usr/lib/libQt5Core.so.5
#12 0x00007f7fe4d710a0 in  () at /usr/lib/libQt5Core.so.5
#13 0x00007f7fe4cd55a5 in QAbstractItemModel::dataChanged(QModelIndex const&, QModelIndex const&, QVector<int> const&) () at /usr/lib/libQt5Core.so.5
#14 0x00007f7fe4d10f87 in  () at /usr/lib/libQt5Core.so.5
#15 0x00007f7fe4d710a0 in  () at /usr/lib/libQt5Core.so.5
#16 0x00007f7fe4cd55a5 in QAbstractItemModel::dataChanged(QModelIndex const&, QModelIndex const&, QVector<int> const&) () at /usr/lib/libQt5Core.so.5
#17 0x00007f7fe70a8ba0 in  () at /usr/lib64/libKF5ItemModels.so.5
#18 0x00007f7fe70aa107 in  () at /usr/lib64/libKF5ItemModels.so.5
#19 0x00007f7fe4d71066 in  () at /usr/lib/libQt5Core.so.5
#20 0x00007f7fe4cd55a5 in QAbstractItemModel::dataChanged(QModelIndex const&, QModelIndex const&, QVector<int> const&) () at /usr/lib/libQt5Core.so.5
#21 0x00007f7fe7667d9d in  () at /usr/lib64/libKF5AkonadiCore.so.5
#22 0x00007f7fe76713a1 in  () at /usr/lib64/libKF5AkonadiCore.so.5
#23 0x00007f7fe4d710a0 in  () at /usr/lib/libQt5Core.so.5
#24 0x00007f7fe759ac70 in Akonadi::Monitor::itemChanged(Akonadi::Item const&, QSet<QByteArray> const&) () at /usr/lib64/libKF5AkonadiCore.so.5
#25 0x00007f7fe75ab846 in Akonadi::MonitorPrivate::emitItemsNotification(Akonadi::Protocol::ItemChangeNotification const&, QVector<Akonadi::Item> const&, Akonadi::Collection const&, Akonadi::Collection const&) () at /usr/lib64/libKF5AkonadiCore.so.5
#26 0x00007f7fe75acef0 in Akonadi::MonitorPrivate::emitNotification(QSharedPointer<Akonadi::Protocol::ChangeNotification> const&) () at /usr/lib64/libKF5AkonadiCore.so.5
#27 0x00007f7fe75aec75 in Akonadi::MonitorPrivate::flushPipeline() () at /usr/lib64/libKF5AkonadiCore.so.5
#28 0x00007f7fe75aef69 in Akonadi::MonitorPrivate::dataAvailable() () at /usr/lib64/libKF5AkonadiCore.so.5
#29 0x00007f7fe4d71066 in  () at /usr/lib/libQt5Core.so.5
#30 0x00007f7fe4d710a0 in  () at /usr/lib/libQt5Core.so.5
#31 0x00007f7fe5118e05 in KJob::result(KJob*, KJob::QPrivateSignal) () at /usr/lib64/libKF5CoreAddons.so.5
#32 0x00007f7fe511a30b in KJob::finishJob(bool) () at /usr/lib64/libKF5CoreAddons.so.5
#33 0x00007f7fe4d66ab1 in QObject::event(QEvent*) () at /usr/lib/libQt5Core.so.5
#34 0x00007f7fe59bc15f in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#35 0x00007f7fe4d3aa8a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#36 0x00007f7fe4d3d4c1 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#37 0x00007f7fe4d92953 in  () at /usr/lib/libQt5Core.so.5
#38 0x00007f7fe04e2a6b in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#39 0x00007f7fe04e2d18 in  () at /usr/lib/libglib-2.0.so.0
#40 0x00007f7fe04e2dcf in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#41 0x00007f7fe4d91fdf in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#42 0x00007f7fe4d3944b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#43 0x00007f7fe4d416c0 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#44 0x0000561fa396f23c in  ()
#45 0x00007f7fe4599b6b in __libc_start_main (main=0x561fa396cbb0, argc=1, argv=0x7ffdaf705928, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffdaf705918) at ../csu/libc-start.c:308
#46 0x0000561fa396f7aa in  ()
[Inferior 1 (process 6009) detached]

Reported using DrKonqi