Application: kontact (5.15.0 (20.08.0))
 (Compiled from sources)
Qt Version: 5.15.0
Frameworks Version: 5.73.0
Operating System: Linux 5.7.19-gentoo x86_64
Windowing system: X11
Distribution: "Gentoo Base System release 2.7"

-- Information about the crash:
- What I was doing when the application crashed:
I have restartet the kontakt application, since some calendar items where not displayed at all. During restart, tha pplication crashed.

-- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
Content of s_kcrashErrorMessage: (null)
[KCrash Handler]
#6  QSortFilterProxyModelPrivate::updateChildrenMapping(QModelIndex const&, QSortFilterProxyModelPrivate::Mapping*, Qt::Orientation, int, int, int, bool) (this=0x56425a364430, source_parent=..., parent_mapping=0x56425a4779a0, orient=Qt::Vertical, start=0, end=0, delta_item_count=1, remove=false) at /var/tmp/portage/dev-qt/qtcore-5.15.0/work/qtbase-everywhere-src-5.15.0/include/QtCore/../../src/corelib/tools/qhash.h:414
#7  0x00007fb62c72624b in QSortFilterProxyModelPrivate::source_items_inserted(QModelIndex const&, int, int, Qt::Orientation) (this=0x56425a364430, source_parent=..., start=<optimized out>, end=0, orient=Qt::Vertical) at /var/tmp/portage/dev-qt/qtcore-5.15.0/work/qtbase-everywhere-src-5.15.0/src/corelib/itemmodels/qsortfilterproxymodel.cpp:972
#8  0x00007fb62c7295c6 in QSortFilterProxyModelPrivate::_q_sourceRowsInserted(QModelIndex const&, int, int) (this=0x56425a364430, source_parent=..., start=0, end=0) at /var/tmp/portage/dev-qt/qtcore-5.15.0/work/qtbase-everywhere-src-5.15.0/src/corelib/itemmodels/qsortfilterproxymodel.cpp:1661
#9  0x00007fb62c72a27e in QSortFilterProxyModel::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at /var/tmp/portage/dev-qt/qtcore-5.15.0/work/qtbase-everywhere-src-5.15.0/src/corelib/itemmodels/qsortfilterproxymodel.h:199
#10 0x00007fb62c77fcdc in doActivate<false>(QObject*, int, void**) (sender=0x56425a349060, signal_index=13, argv=0x7ffc49383dd0) at /var/tmp/portage/dev-qt/qtcore-5.15.0/work/qtbase-everywhere-src-5.15.0/include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:395
#11 0x00007fb62c779b5f in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) (sender=sender@entry=0x56425a349060, m=m@entry=0x7fb62ca22060 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=10, argv=argv@entry=0x7ffc49383dd0) at /var/tmp/portage/dev-qt/qtcore-5.15.0/work/qtbase-everywhere-src-5.15.0/src/corelib/kernel/qobject.cpp:3946
#12 0x00007fb62c6fab5e in QAbstractItemModel::rowsInserted(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) (this=this@entry=0x56425a349060, _t1=..., _t2=<optimized out>, _t3=<optimized out>, _t4=...) at .moc/moc_qabstractitemmodel.cpp:592
#13 0x00007fb62c70309f in QAbstractItemModel::endInsertRows() (this=0x56425a349060) at /var/tmp/portage/dev-qt/qtcore-5.15.0/work/qtbase-everywhere-src-5.15.0/src/corelib/itemmodels/qabstractitemmodel.cpp:2777
#14 0x00007fb62c722225 in QSortFilterProxyModelPrivate::insert_source_items(QVector<int>&, QVector<int>&, QVector<int> const&, QModelIndex const&, Qt::Orientation, bool) (this=0x56425a356d70, source_to_proxy=..., proxy_to_source=..., source_items=..., source_parent=..., orient=Qt::Vertical, emit_signal=true) at /var/tmp/portage/dev-qt/qtcore-5.15.0/work/qtbase-everywhere-src-5.15.0/src/corelib/itemmodels/qsortfilterproxymodel.cpp:922
#15 0x00007fb62c7264cb in QSortFilterProxyModelPrivate::source_items_inserted(QModelIndex const&, int, int, Qt::Orientation) (this=<optimized out>, source_parent=..., start=<optimized out>, end=<optimized out>, orient=Qt::Vertical) at /var/tmp/portage/dev-qt/qtcore-5.15.0/work/qtbase-everywhere-src-5.15.0/src/corelib/itemmodels/qsortfilterproxymodel.cpp:1033
#16 0x00007fb62c7295c6 in QSortFilterProxyModelPrivate::_q_sourceRowsInserted(QModelIndex const&, int, int) (this=0x56425a356d70, source_parent=..., start=0, end=0) at /var/tmp/portage/dev-qt/qtcore-5.15.0/work/qtbase-everywhere-src-5.15.0/src/corelib/itemmodels/qsortfilterproxymodel.cpp:1661
#17 0x00007fb62c72a27e in QSortFilterProxyModel::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at /var/tmp/portage/dev-qt/qtcore-5.15.0/work/qtbase-everywhere-src-5.15.0/src/corelib/itemmodels/qsortfilterproxymodel.h:199
#18 0x00007fb62c77fcdc in doActivate<false>(QObject*, int, void**) (sender=0x7fb5f404c090, signal_index=13, argv=0x7ffc49384160) at /var/tmp/portage/dev-qt/qtcore-5.15.0/work/qtbase-everywhere-src-5.15.0/include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:395
#19 0x00007fb62c779b5f in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) (sender=sender@entry=0x7fb5f404c090, m=m@entry=0x7fb62ca22060 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=10, argv=argv@entry=0x7ffc49384160) at /var/tmp/portage/dev-qt/qtcore-5.15.0/work/qtbase-everywhere-src-5.15.0/src/corelib/kernel/qobject.cpp:3946
#20 0x00007fb62c6fab5e in QAbstractItemModel::rowsInserted(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) (this=this@entry=0x7fb5f404c090, _t1=..., _t2=<optimized out>, _t3=<optimized out>, _t4=...) at .moc/moc_qabstractitemmodel.cpp:592
#21 0x00007fb62c70309f in QAbstractItemModel::endInsertRows() (this=this@entry=0x7fb5f404c090) at /var/tmp/portage/dev-qt/qtcore-5.15.0/work/qtbase-everywhere-src-5.15.0/src/corelib/itemmodels/qabstractitemmodel.cpp:2777
#22 0x00007fb5d9e8934f in Akonadi::EntityTreeModelPrivate::collectionsFetched(QVector<Akonadi::Collection> const&) (this=0x56425a335ec0, collections=...) at /var/tmp/portage/kde-apps/akonadi-20.08.0/work/akonadi-20.08.0/src/core/models/entitytreemodel_p.cpp:446
#23 0x00007fb5d9e738c7 in Akonadi::EntityTreeModel::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at /var/tmp/portage/kde-apps/akonadi-20.08.0/work/akonadi-20.08.0/src/core/models/entitytreemodel.h:659
#24 0x00007fb62c77fcdc in doActivate<false>(QObject*, int, void**) (sender=0x56425a629e90, signal_index=22, argv=0x7ffc493844e0) at /var/tmp/portage/dev-qt/qtcore-5.15.0/work/qtbase-everywhere-src-5.15.0/include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:395
#25 0x00007fb62c779b5f in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) (sender=sender@entry=0x56425a629e90, m=m@entry=0x7fb5d9f20f00 <Akonadi::CollectionFetchJob::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffc493844e0) at /var/tmp/portage/dev-qt/qtcore-5.15.0/work/qtbase-everywhere-src-5.15.0/src/corelib/kernel/qobject.cpp:3946
#26 0x00007fb5d9e1bab2 in Akonadi::CollectionFetchJob::collectionsReceived(QVector<Akonadi::Collection> const&) (this=this@entry=0x56425a629e90, _t1=...) at src/core/KF5AkonadiCore_autogen/include/moc_collectionfetchjob.cpp:163
#27 0x00007fb5d9e1e89b in Akonadi::CollectionFetchJobPrivate::timeout() (this=0x56425a6185b0) at /var/tmp/portage/kde-apps/akonadi-20.08.0/work/akonadi-20.08.0/src/core/jobs/collectionfetchjob.cpp:65
#28 Akonadi::CollectionFetchJobPrivate::aboutToFinish() (this=0x56425a6185b0) at /var/tmp/portage/kde-apps/akonadi-20.08.0/work/akonadi-20.08.0/src/core/jobs/collectionfetchjob.cpp:55
#29 0x00007fb5d9e3a53d in Akonadi::JobPrivate::delayedEmitResult() (this=0x56425a6185b0) at /var/tmp/portage/kde-apps/akonadi-20.08.0/work/akonadi-20.08.0/src/core/jobs/job.cpp:178
#30 0x00007fb62c777965 in QObject::event(QEvent*) (this=0x56425a629e90, e=0x564259dba090) at /var/tmp/portage/dev-qt/qtcore-5.15.0/work/qtbase-everywhere-src-5.15.0/src/corelib/kernel/qobject.cpp:1314
#31 0x00007fb62d17c48f in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=this@entry=0x5642595dd280, receiver=receiver@entry=0x56425a629e90, e=e@entry=0x564259dba090) at /var/tmp/portage/dev-qt/qtwidgets-5.15.0/work/qtbase-everywhere-src-5.15.0/src/widgets/kernel/qapplication.cpp:3671
#32 0x00007fb62d185290 in QApplication::notify(QObject*, QEvent*) (this=0x7ffc49384bf0, receiver=0x56425a629e90, e=0x564259dba090) at /var/tmp/portage/dev-qt/qtwidgets-5.15.0/work/qtbase-everywhere-src-5.15.0/src/widgets/kernel/qapplication.cpp:3417
#33 0x00007fb62c74c0af in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=0x56425a629e90, event=0x564259dba090) at /var/tmp/portage/dev-qt/qtcore-5.15.0/work/qtbase-everywhere-src-5.15.0/src/corelib/kernel/qcoreapplication.cpp:1061
#34 0x00007fb62c74eb00 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) (receiver=0x0, event_type=0, data=0x5642595b88f0) at /var/tmp/portage/dev-qt/qtcore-5.15.0/work/qtbase-everywhere-src-5.15.0/src/corelib/kernel/qcoreapplication.cpp:1815
#35 0x00007fb62c7a2f83 in postEventSourceDispatch(GSource*, GSourceFunc, gpointer) (s=0x5642596468c0) at /var/tmp/portage/dev-qt/qtcore-5.15.0/work/qtbase-everywhere-src-5.15.0/src/corelib/kernel/qeventdispatcher_glib.cpp:277
#36 0x00007fb62384bcbc in g_main_dispatch (context=0x7fb614005000) at ../glib-2.64.5/glib/gmain.c:3309
#37 g_main_context_dispatch (context=context@entry=0x7fb614005000) at ../glib-2.64.5/glib/gmain.c:3974
#38 0x00007fb62384bf38 in g_main_context_iterate (context=context@entry=0x7fb614005000, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib-2.64.5/glib/gmain.c:4047
#39 0x00007fb62384bfcf in g_main_context_iteration (context=0x7fb614005000, may_block=may_block@entry=1) at ../glib-2.64.5/glib/gmain.c:4108
#40 0x00007fb62c7a2d30 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x564259647ae0, flags=...) at /var/tmp/portage/dev-qt/qtcore-5.15.0/work/qtbase-everywhere-src-5.15.0/src/corelib/kernel/qeventdispatcher_glib.cpp:423
#41 0x00007fb62c74af03 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7ffc49384ad0, flags=..., flags@entry=...) at /var/tmp/portage/dev-qt/qtcore-5.15.0/work/qtbase-everywhere-src-5.15.0/include/QtCore/../../src/corelib/global/qflags.h:141
#42 0x00007fb62c752c90 in QCoreApplication::exec() () at /var/tmp/portage/dev-qt/qtcore-5.15.0/work/qtbase-everywhere-src-5.15.0/include/QtCore/../../src/corelib/global/qflags.h:121
#43 0x0000564258ca901c in main(int, char**) (argc=<optimized out>, argv=<optimized out>) at /var/tmp/portage/kde-apps/kontact-20.08.0/work/kontact-20.08.0/src/main.cpp:230
[Inferior 1 (process 84540) detached]

Possible duplicates by query: bug 425932, bug 415634, bug 413205, bug 397314, bug 394483.

Reported using DrKonqi