Bug 467189

Application: kalendar (22.12.3)

Qt Version: 5.15.8
Frameworks Version: 5.103.0
Operating System: Linux 6.2.2-arch2-1 x86_64
Windowing System: X11
Distribution: "Arch Linux"
DrKonqi: 5.27.2 [KCrashBackend]

-- Information about the crash:
After enabling a newly created Google Calendar by going to Settings -> Configure Kalandar -> Accounts -> (My Google Account) -> Modify, Kalendar crashed while it was syncing the new information.

The reporter is unsure if this crash is reproducible.

-- Backtrace:
Application: Kalendar (kalendar), signal: Segmentation fault
Content of s_kcrashErrorMessage: std::unique_ptr<char []> = {get() = <optimized out>}
[KCrash Handler]
#6  std::__atomic_base<int>::operator--() (this=0x24) at /usr/include/c++/12.2.1/bits/atomic_base.h:392
#7  QAtomicOps<int>::deref<int>(std::atomic<int>&) (_q_value=<error reading variable: Cannot access memory at address 0x24>) at /usr/include/qt/QtCore/qatomic_cxx11.h:289
#8  QBasicAtomicInteger<int>::deref() (this=0x24) at /usr/include/qt/QtCore/qbasicatomic.h:119
#9  QSharedPointer<KCalendarCore::Incidence>::deref(QtSharedPointer::ExternalRefCountData*) (dd=0x20) at /usr/include/qt/QtCore/qsharedpointer_impl.h:457
#10 QSharedPointer<KCalendarCore::Incidence>::deref(QtSharedPointer::ExternalRefCountData*) (dd=0x20, dd=<optimized out>) at /usr/include/qt/QtCore/qsharedpointer_impl.h:454
#11 QSharedPointer<KCalendarCore::Incidence>::deref() (this=<synthetic pointer>, this=<optimized out>) at /usr/include/qt/QtCore/qsharedpointer_impl.h:453
#12 QSharedPointer<KCalendarCore::Incidence>::~QSharedPointer() (this=<synthetic pointer>, this=<optimized out>) at /usr/include/qt/QtCore/qsharedpointer_impl.h:310
#13 QSharedPointer<KCalendarCore::Incidence>::operator=(QSharedPointer<KCalendarCore::Incidence> const&) (other=..., this=0x5592dedf4268) at /usr/include/qt/QtCore/qsharedpointer_impl.h:333
#14 IncidenceOccurrenceModel::Occurrence::operator=(IncidenceOccurrenceModel::Occurrence const&) (this=0x5592dedf4258) at /usr/src/debug/kalendar/kalendar-22.12.3/src/models/incidenceoccurrencemodel.h:89
#15 QVector<IncidenceOccurrenceModel::Occurrence>::replace(int, IncidenceOccurrenceModel::Occurrence const&) (t=..., i=<optimized out>, this=0x5592dc077840) at /usr/include/qt/QtCore/qvector.h:491
#16 IncidenceOccurrenceModel::slotSourceDataChanged(QModelIndex const&, QModelIndex const&) (this=0x5592dc0777d0, upperLeft=..., bottomRight=<optimized out>) at /usr/src/debug/kalendar/kalendar-22.12.3/src/models/incidenceoccurrencemodel.cpp:226
#17 0x00007fe6ac0bea71 in QtPrivate::QSlotObjectBase::call(QObject*, void**) (a=0x7ffc217852b0, r=<optimized out>, this=0x5592dc07a040, this=<optimized out>, r=<optimized out>, a=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#18 doActivate<false>(QObject*, int, void**) (sender=0x5592dac05db0, signal_index=3, argv=0x7ffc217852b0) at kernel/qobject.cpp:3923
#19 0x00007fe6ac046cd1 in QAbstractItemModel::dataChanged(QModelIndex const&, QModelIndex const&, QVector<int> const&) (this=<optimized out>, _t1=<optimized out>, _t2=<optimized out>, _t3=<optimized out>) at .moc/moc_qabstractitemmodel.cpp:557
#20 0x00007fe6ac06d3a6 in QSortFilterProxyModelPrivate::_q_sourceDataChanged(QModelIndex const&, QModelIndex const&, QVector<int> const&) (this=0x5592dac35c00, source_top_left=<optimized out>, source_bottom_right=<optimized out>, roles=...) at itemmodels/qsortfilterproxymodel.cpp:1539
#21 0x00007fe6ac0bec20 in doActivate<false>(QObject*, int, void**) (sender=0x5592dabff960, signal_index=3, argv=0x7ffc217855a0) at kernel/qobject.cpp:3935
#22 0x00007fe6ac046cd1 in QAbstractItemModel::dataChanged(QModelIndex const&, QModelIndex const&, QVector<int> const&) (this=<optimized out>, _t1=<optimized out>, _t2=<optimized out>, _t3=<optimized out>) at .moc/moc_qabstractitemmodel.cpp:557
#23 0x00007fe6ac06d3a6 in QSortFilterProxyModelPrivate::_q_sourceDataChanged(QModelIndex const&, QModelIndex const&, QVector<int> const&) (this=0x5592dac01120, source_top_left=<optimized out>, source_bottom_right=<optimized out>, roles=...) at itemmodels/qsortfilterproxymodel.cpp:1539
#24 0x00007fe6ac0bec20 in doActivate<false>(QObject*, int, void**) (sender=0x5592dabff750, signal_index=3, argv=0x7ffc21785890) at kernel/qobject.cpp:3935
#25 0x00007fe6ac046cd1 in QAbstractItemModel::dataChanged(QModelIndex const&, QModelIndex const&, QVector<int> const&) (this=<optimized out>, _t1=<optimized out>, _t2=<optimized out>, _t3=<optimized out>) at .moc/moc_qabstractitemmodel.cpp:557
#26 0x00007fe6ac06d3a6 in QSortFilterProxyModelPrivate::_q_sourceDataChanged(QModelIndex const&, QModelIndex const&, QVector<int> const&) (this=0x5592dac00320, source_top_left=<optimized out>, source_bottom_right=<optimized out>, roles=...) at itemmodels/qsortfilterproxymodel.cpp:1539
#27 0x00007fe6ac0bec20 in doActivate<false>(QObject*, int, void**) (sender=0x5592dabfeb20, signal_index=3, argv=0x7ffc21785b80) at kernel/qobject.cpp:3935
#28 0x00007fe6ac046cd1 in QAbstractItemModel::dataChanged(QModelIndex const&, QModelIndex const&, QVector<int> const&) (this=<optimized out>, _t1=<optimized out>, _t2=<optimized out>, _t3=<optimized out>) at .moc/moc_qabstractitemmodel.cpp:557
#29 0x00007fe6ae37a69b in KSelectionProxyModelPrivate::sourceDataChanged(QModelIndex const&, QModelIndex const&) (this=0x5592dabff330, topLeft=..., bottomRight=...) at /usr/src/debug/kitemmodels/kitemmodels-5.103.0/src/core/kselectionproxymodel.cpp:734
#30 0x00007fe6ac0bea71 in QtPrivate::QSlotObjectBase::call(QObject*, void**) (a=0x7ffc21785de0, r=<optimized out>, this=0x5592dabffdf0, this=<optimized out>, r=<optimized out>, a=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#31 doActivate<false>(QObject*, int, void**) (sender=0x5592dac01a00, signal_index=3, argv=0x7ffc21785de0) at kernel/qobject.cpp:3923
#32 0x00007fe6ac046cd1 in QAbstractItemModel::dataChanged(QModelIndex const&, QModelIndex const&, QVector<int> const&) (this=this@entry=0x5592dac01a00, _t1=..., _t2=..., _t3=...) at .moc/moc_qabstractitemmodel.cpp:557
#33 0x00007fe6ae6bc62c in Akonadi::EntityTreeModelPrivate::dataChanged(QModelIndex const&, QModelIndex const&) [clone .isra.0] (top=..., bottom=<optimized out>, this=<optimized out>) at /usr/src/debug/akonadi/akonadi-22.12.3/src/core/models/entitytreemodel_p.cpp:1618
#34 0x00007fe6ae69d9eb in Akonadi::EntityTreeModelPrivate::monitoredItemChanged(Akonadi::Item const&, QSet<QByteArray> const&) (item=..., this=0x5592dac02ff0) at /usr/src/debug/akonadi/akonadi-22.12.3/src/core/models/entitytreemodel_p.cpp:1117
#35 Akonadi::EntityTreeModel::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at /usr/src/debug/akonadi/build/src/core/KF5AkonadiCore_autogen/include/moc_entitytreemodel.cpp:227
#36 0x00007fe6ac0bec20 in doActivate<false>(QObject*, int, void**) (sender=0x5592dabc6f30, signal_index=3, argv=0x7ffc21786080) at kernel/qobject.cpp:3935
#37 0x00007fe6ae61dd6c in Akonadi::Monitor::itemChanged(Akonadi::Item const&, QSet<QByteArray> const&) (this=<optimized out>, _t1=<optimized out>, _t2=<optimized out>) at /usr/src/debug/akonadi/build/src/core/KF5AkonadiCore_autogen/include/moc_monitor.cpp:864
#38 0x00007fe6ae6324a1 in Akonadi::MonitorPrivate::emitToListeners<void (Akonadi::Monitor::*)(Akonadi::Item const&, QSet<QByteArray> const&), Akonadi::Item, QSet<QByteArray> >(void (Akonadi::Monitor::*)(Akonadi::Item const&, QSet<QByteArray> const&), Akonadi::Item, QSet<QByteArray>) (signal=<optimized out>, this=0x5592daba11b0) at /usr/src/debug/akonadi/akonadi-22.12.3/src/core/monitor_p.h:395
#39 Akonadi::MonitorPrivate::emitItemsNotification(Akonadi::Protocol::ItemChangeNotification const&, QVector<Akonadi::Item> const&, Akonadi::Collection const&, Akonadi::Collection const&) (this=0x5592daba11b0, msg=<optimized out>, items=..., collection=<optimized out>, collectionDest=<optimized out>) at /usr/src/debug/akonadi/akonadi-22.12.3/src/core/monitor_p.cpp:1056
#40 0x00007fe6ae62cb74 in Akonadi::MonitorPrivate::emitNotification(QSharedPointer<Akonadi::Protocol::ChangeNotification> const&) (this=0x5592daba11b0, msg=<optimized out>) at /usr/src/debug/akonadi/akonadi-22.12.3/src/core/monitor_p.cpp:544
#41 0x00007fe6ae62bca5 in Akonadi::MonitorPrivate::flushPipeline() (this=this@entry=0x5592daba11b0) at /usr/src/debug/akonadi/akonadi-22.12.3/src/core/monitor_p.cpp:969
#42 0x00007fe6ae62c65e in Akonadi::MonitorPrivate::dataAvailable() (this=0x5592daba11b0) at /usr/src/debug/akonadi/akonadi-22.12.3/src/core/monitor_p.cpp:978
#43 0x00007fe6ac0bea71 in QtPrivate::QSlotObjectBase::call(QObject*, void**) (a=0x7ffc21786370, r=<optimized out>, this=0x5592dac01fb0, this=<optimized out>, r=<optimized out>, a=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#44 doActivate<false>(QObject*, int, void**) (sender=0x7fe6a001d530, signal_index=3, argv=0x7ffc21786370) at kernel/qobject.cpp:3923
#45 0x00007fe6ac0bec20 in doActivate<false>(QObject*, int, void**) (sender=0x5592dca89960, signal_index=6, argv=0x7ffc217864a0) at kernel/qobject.cpp:3935
#46 0x00007fe6ad9a743a in KJob::result(KJob*, KJob::QPrivateSignal) (this=this@entry=0x5592dca89960, _t1=<optimized out>, _t1@entry=0x5592dca89960, _t2=...) at /usr/src/debug/kcoreaddons/build/src/lib/KF5CoreAddons_autogen/include/moc_kjob.cpp:633
#47 0x00007fe6ad9ad54c in KJob::finishJob(bool) (this=0x5592dca89960, emitResult=<optimized out>) at /usr/src/debug/kcoreaddons/kcoreaddons-5.103.0/src/lib/jobs/kjob.cpp:98
#48 0x00007fe6ac0b1bb0 in QObject::event(QEvent*) (this=0x5592dca89960, e=0x5592dc35e510) at kernel/qobject.cpp:1347
#49 0x00007fe6acd78b5c in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=<optimized out>, receiver=0x5592dca89960, e=0x5592dc35e510) at kernel/qapplication.cpp:3640
#50 0x00007fe6ac08df48 in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=0x5592dca89960, event=0x5592dc35e510) at kernel/qcoreapplication.cpp:1064
#51 0x00007fe6ac08dfb3 in QCoreApplication::sendEvent(QObject*, QEvent*) (receiver=<optimized out>, event=<optimized out>) at kernel/qcoreapplication.cpp:1462
#52 0x00007fe6ac08ea53 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) (receiver=0x0, event_type=0, data=0x5592da69d500) at kernel/qcoreapplication.cpp:1821
#53 0x00007fe6ac0d4e88 in postEventSourceDispatch(GSource*, GSourceFunc, gpointer) (s=0x5592da7531d0) at kernel/qeventdispatcher_glib.cpp:277
#54 0x00007fe6a9f1682b in g_main_dispatch (context=0x7fe6a0005010) at ../glib/glib/gmain.c:3454
#55 g_main_context_dispatch (context=0x7fe6a0005010) at ../glib/glib/gmain.c:4172
#56 0x00007fe6a9f6dcc9 in g_main_context_iterate.constprop.0 (context=0x7fe6a0005010, block=1, dispatch=1, self=<optimized out>) at ../glib/glib/gmain.c:4248
#57 0x00007fe6a9f150e2 in g_main_context_iteration (context=0x7fe6a0005010, may_block=1) at ../glib/glib/gmain.c:4313
#58 0x00007fe6ac0d8c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x5592da74d130, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#59 0x00007fe6ac0866ec in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7ffc21786920, flags=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:69
#60 0x00007fe6ac091219 in QCoreApplication::exec() () at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#61 0x00007fe6ac539fe2 in QGuiApplication::exec() () at kernel/qguiapplication.cpp:1870
#62 0x00007fe6acd76f2a in QApplication::exec() () at kernel/qapplication.cpp:2832
#63 0x00005592d9cbcee4 in main(int, char**) (argc=<optimized out>, argv=<optimized out>) at /usr/src/debug/kalendar/kalendar-22.12.3/src/main.cpp:188
[Inferior 1 (process 70013) detached]

Reported using DrKonqi