Application: kalendar (22.12.1)

Qt Version: 5.15.8
Frameworks Version: 5.101.0
Operating System: Linux 5.15.0-58-generic x86_64
Windowing System: X11
Distribution: KDE neon 5.26
DrKonqi: 5.26.5 [KCrashBackend]

-- Information about the crash:
When clicking on a task, you get a pop-up inside the main Kalendar window. where you can set the completition status with a slider. Kalendar immediatly crash when you try to edit this slider.
By double-clicking the task, you get a pop-up window where you can also change the completition status. Kalendar crashes when saving the changes if you modified the completition status. However, the completition status does get saved.
I observed this behaviour both with tasks from my google calendar and whith tasks from my local Personal Calendar.

The crash can be reproduced sometimes.

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

[KCrash Handler]
#4  0x000055bdbf8cbdec in ?? ()
#5  0x00007f5cd328e0d4 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f5cd31eeb59 in QAbstractItemModel::dataChanged(QModelIndex const&, QModelIndex const&, QVector<int> const&) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f5cd322b5a1 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f5cd328e108 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f5cd31eeb59 in QAbstractItemModel::dataChanged(QModelIndex const&, QModelIndex const&, QVector<int> const&) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f5cd322b5a1 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f5cd328e108 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f5cd31eeb59 in QAbstractItemModel::dataChanged(QModelIndex const&, QModelIndex const&, QVector<int> const&) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f5cd322b5a1 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007f5cd328e108 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007f5cd31eeb59 in QAbstractItemModel::dataChanged(QModelIndex const&, QModelIndex const&, QVector<int> const&) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007f5cd51f8d2a in ?? () from /lib/x86_64-linux-gnu/libKF5ItemModels.so.5
#17 0x00007f5cd328e0d4 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007f5cd31eeb59 in QAbstractItemModel::dataChanged(QModelIndex const&, QModelIndex const&, QVector<int> const&) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007f5cd55628d4 in ?? () from /lib/x86_64-linux-gnu/libKF5AkonadiCore.so.5
#20 0x00007f5cd556cdb9 in ?? () from /lib/x86_64-linux-gnu/libKF5AkonadiCore.so.5
#21 0x00007f5cd328e108 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007f5cd54b417b in Akonadi::Monitor::itemChanged(Akonadi::Item const&, QSet<QByteArray> const&) () from /lib/x86_64-linux-gnu/libKF5AkonadiCore.so.5
#23 0x00007f5cd54c5692 in Akonadi::MonitorPrivate::emitItemsNotification(Akonadi::Protocol::ItemChangeNotification const&, QVector<Akonadi::Item> const&, Akonadi::Collection const&, Akonadi::Collection const&) () from /lib/x86_64-linux-gnu/libKF5AkonadiCore.so.5
#24 0x00007f5cd54c6809 in Akonadi::MonitorPrivate::emitNotification(QSharedPointer<Akonadi::Protocol::ChangeNotification> const&) () from /lib/x86_64-linux-gnu/libKF5AkonadiCore.so.5
#25 0x00007f5cd54c3dba in Akonadi::MonitorPrivate::flushPipeline() () from /lib/x86_64-linux-gnu/libKF5AkonadiCore.so.5
#26 0x00007f5cd54c421d in Akonadi::MonitorPrivate::dataAvailable() () from /lib/x86_64-linux-gnu/libKF5AkonadiCore.so.5
#27 0x00007f5cd328e0d4 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#28 0x00007f5cd328e108 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#29 0x00007f5cd35f2e90 in KJob::result(KJob*, KJob::QPrivateSignal) () from /lib/x86_64-linux-gnu/libKF5CoreAddons.so.5
#30 0x00007f5cd35f87cb in KJob::finishJob(bool) () from /lib/x86_64-linux-gnu/libKF5CoreAddons.so.5
#31 0x00007f5cd3283ade in QObject::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#32 0x00007f5cd3eea793 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#33 0x00007f5cd325607a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#34 0x00007f5cd3259167 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#35 0x00007f5cd32b0487 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#36 0x00007f5cd0c6ed3b in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#37 0x00007f5cd0cc36c8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#38 0x00007f5cd0c6c3e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#39 0x00007f5cd32afad8 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#40 0x00007f5cd325499b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#41 0x00007f5cd325cf34 in QCoreApplication::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#42 0x000055bdbf8a187c in ?? ()
#43 0x00007f5cd2b51d90 in __libc_start_call_main (main=main@entry=0x55bdbf89f880, argc=argc@entry=1, argv=argv@entry=0x7ffcf3f4cdf8) at ../sysdeps/nptl/libc_start_call_main.h:58
#44 0x00007f5cd2b51e40 in __libc_start_main_impl (main=0x55bdbf89f880, argc=1, argv=0x7ffcf3f4cdf8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffcf3f4cde8) at ../csu/libc-start.c:392
#45 0x000055bdbf8a2825 in ?? ()
[Inferior 1 (process 52562) detached]

The reporter indicates this bug may be a duplicate of or related to bug 463145.

Reported using DrKonqi