https://bugs.kde.org/show_bug.cgi?id=464194

            Bug ID: 464194
           Summary: Kalendar application crashes sometimes
    Classification: Applications
           Product: kalendar
           Version: 22.12.1
          Platform: Fedora RPMs
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: claudio.cam...@kde.org
          Reporter: sla...@kaplonski.pl
                CC: c...@carlschwan.eu
  Target Milestone: ---

Application: kalendar (22.12.1)

Qt Version: 5.15.8
Frameworks Version: 5.101.0
Operating System: Linux 6.0.17-300.fc37.x86_64 x86_64
Windowing System: X11
Distribution: Fedora Linux 37 (KDE Plasma)
DrKonqi: 5.26.5 [KCrashBackend]

-- Information about the crash:
This happens for me mostly during the start of the Kalendar app. Then when I
restart it, it starts normally.

The reporter is unsure if this crash is reproducible.

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

[KCrash Handler]
#4  0x00007f87b3b23ae7 in QHashData::nextNode(QHashData::Node*) () from
/lib64/libQt5Core.so.5
#5  0x00007f87b5e99b3a in QHash<QString, QHashDummyValue>::erase(QHash<QString,
QHashDummyValue>::const_iterator) () from /lib64/libKF5WidgetsAddons.so.5
#6  0x00007f87b5ea137d in KViewStateSerializer::restoreSelection(QStringList
const&) () from /lib64/libKF5WidgetsAddons.so.5
#7  0x00007f87b5ea1535 in KViewStateSerializerPrivate::processPendingChanges()
() from /lib64/libKF5WidgetsAddons.so.5
#8  0x00007f87b5ea1687 in
QtPrivate::QFunctorSlotObject<KViewStateSerializerPrivate::listenToPendingChanges()::{lambda(QModelIndex
const&, int, int)#1}, 3, QtPrivate::List<QModelIndex const&, int, int>,
void>::impl(int, QtPrivate::QSlotObjectBase*, QObject*, void**, bool*) () from
/lib64/libKF5WidgetsAddons.so.5
#9  0x00007f87b3cdbc26 in void doActivate<false>(QObject*, int, void**) () from
/lib64/libQt5Core.so.5
#10 0x00007f87b3c58cd2 in QAbstractItemModel::rowsInserted(QModelIndex const&,
int, int, QAbstractItemModel::QPrivateSignal) () from /lib64/libQt5Core.so.5
#11 0x00007f87b3c61d1e in QAbstractItemModel::endInsertRows() () from
/lib64/libQt5Core.so.5
#12 0x00007f87b3c856ad in
QSortFilterProxyModelPrivate::insert_source_items(QVector<int>&, QVector<int>&,
QVector<int> const&, QModelIndex const&, Qt::Orientation, bool) () from
/lib64/libQt5Core.so.5
#13 0x00007f87b3c88199 in
QSortFilterProxyModelPrivate::source_items_inserted(QModelIndex const&, int,
int, Qt::Orientation) () from /lib64/libQt5Core.so.5
#14 0x00007f87b3c8aebd in
QSortFilterProxyModelPrivate::_q_sourceRowsInserted(QModelIndex const&, int,
int) () from /lib64/libQt5Core.so.5
#15 0x00007f87b3cdbdaf in void doActivate<false>(QObject*, int, void**) () from
/lib64/libQt5Core.so.5
#16 0x00007f87b3c58cd2 in QAbstractItemModel::rowsInserted(QModelIndex const&,
int, int, QAbstractItemModel::QPrivateSignal) () from /lib64/libQt5Core.so.5
#17 0x00007f87b3c61d1e in QAbstractItemModel::endInsertRows() () from
/lib64/libQt5Core.so.5
#18 0x00007f87b3c856ad in
QSortFilterProxyModelPrivate::insert_source_items(QVector<int>&, QVector<int>&,
QVector<int> const&, QModelIndex const&, Qt::Orientation, bool) () from
/lib64/libQt5Core.so.5
#19 0x00007f87b3c88199 in
QSortFilterProxyModelPrivate::source_items_inserted(QModelIndex const&, int,
int, Qt::Orientation) () from /lib64/libQt5Core.so.5
#20 0x00007f87b3c8aebd in
QSortFilterProxyModelPrivate::_q_sourceRowsInserted(QModelIndex const&, int,
int) () from /lib64/libQt5Core.so.5
#21 0x00007f87b3cdbdaf in void doActivate<false>(QObject*, int, void**) () from
/lib64/libQt5Core.so.5
#22 0x00007f87b3c58cd2 in QAbstractItemModel::rowsInserted(QModelIndex const&,
int, int, QAbstractItemModel::QPrivateSignal) () from /lib64/libQt5Core.so.5
#23 0x00007f87b3c61d1e in QAbstractItemModel::endInsertRows() () from
/lib64/libQt5Core.so.5
#24 0x00007f87b63adcfa in
Akonadi::EntityTreeModelPrivate::collectionsFetched(QVector<Akonadi::Collection>
const&) () from /lib64/libKF5AkonadiCore.so.5
#25 0x00007f87b3cdbdaf in void doActivate<false>(QObject*, int, void**) () from
/lib64/libQt5Core.so.5
#26 0x00007f87b636c706 in
Akonadi::CollectionFetchJob::collectionsReceived(QVector<Akonadi::Collection>
const&) () from /lib64/libKF5AkonadiCore.so.5
#27 0x00007f87b636dda3 in Akonadi::CollectionFetchJobPrivate::aboutToFinish()
() from /lib64/libKF5AkonadiCore.so.5
#28 0x00007f87b637bfb1 in
QtPrivate::QFunctorSlotObject<Akonadi::JobPrivate::handleResponse(long long,
QSharedPointer<Akonadi::Protocol::Command> const&)::{lambda()#1}, 0,
QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase*, QObject*,
void**, bool*) [clone .lto_priv.0] () from /lib64/libKF5AkonadiCore.so.5
#29 0x00007f87b3cd2ec4 in QObject::event(QEvent*) () from
/lib64/libQt5Core.so.5
#30 0x00007f87b49aed62 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib64/libQt5Widgets.so.5
#31 0x00007f87b3ca8278 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib64/libQt5Core.so.5
#32 0x00007f87b3cab5e4 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () from /lib64/libQt5Core.so.5
#33 0x00007f87b3cf9897 in postEventSourceDispatch(_GSource*, int (*)(void*),
void*) () from /lib64/libQt5Core.so.5
#34 0x00007f87b1b19cbf in g_main_context_dispatch () from
/lib64/libglib-2.0.so.0
#35 0x00007f87b1b6f598 in g_main_context_iterate.constprop () from
/lib64/libglib-2.0.so.0
#36 0x00007f87b1b16f40 in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#37 0x00007f87b3cf938a in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#38 0x00007f87b3ca6cca in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#39 0x00007f87b3caed92 in QCoreApplication::exec() () from
/lib64/libQt5Core.so.5
#40 0x000055ef1c0059ca in main ()
[Inferior 1 (process 2330819) detached]

Reported using DrKonqi

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