Bug 358152

Application: korgac (5.1.1)

Qt Version: 5.5.1
Operating System: Linux 4.1.13-5-default x86_64
Distribution: "openSUSE Leap 42.1 (x86_64)"

-- Information about the crash:
Starting a new session for my user and then starting kontact often causes a crash in the korganizer reminder tool, which makes DrKonqi appear.

The crash can be reproduced sometimes.

-- Backtrace:
Application: KOrganizer-Erinnerungsmodul (korgac), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7ffbc35e5800 (LWP 1447))]

Thread 5 (Thread 0x7ffba7bf0700 (LWP 1455)):
#0  0x00007ffbbd29cc1d in poll () from /lib64/libc.so.6
#1  0x00007ffbb6bbd422 in ?? () from /usr/lib64/libxcb.so.1
#2  0x00007ffbb6bbf00f in xcb_wait_for_event () from /usr/lib64/libxcb.so.1
#3  0x00007ffba991b3c9 in ?? () from /usr/lib64/libQt5XcbQpa.so.5
#4  0x00007ffbbdbab32f in QThreadPrivate::start (arg=0xfab140) at thread/qthread_unix.cpp:331
#5  0x00007ffbb62ea0a4 in start_thread () from /lib64/libpthread.so.0
#6  0x00007ffbbd2a504d in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7ffb9d331700 (LWP 1464)):
#0  0x00007ffbb5e0fcf9 in g_mutex_lock () from /usr/lib64/libglib-2.0.so.0
#1  0x00007ffbb5dcde4a in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007ffbb5dcdf7c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007ffbbddddd8b in QEventDispatcherGlib::processEvents (this=0x7ffb980008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007ffbbdd84d53 in QEventLoop::exec (this=this@entry=0x7ffb9d330dd0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007ffbbdba661a in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007ffbbdbab32f in QThreadPrivate::start (arg=0x103afe0) at thread/qthread_unix.cpp:331
#7  0x00007ffbb62ea0a4 in start_thread () from /lib64/libpthread.so.0
#8  0x00007ffbbd2a504d in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7ffb9cb30700 (LWP 1465)):
#0  0x00007ffbbd2b161f in __libc_enable_asynccancel () from /lib64/libc.so.6
#1  0x00007ffbbd298ce2 in read () from /lib64/libc.so.6
#2  0x00007ffbb5e0eb60 in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007ffbb5dcd999 in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#4  0x00007ffbb5dcddf8 in ?? () from /usr/lib64/libglib-2.0.so.0
#5  0x00007ffbb5dcdf7c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#6  0x00007ffbbddddd8b in QEventDispatcherGlib::processEvents (this=0x7ffb900008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#7  0x00007ffbbdd84d53 in QEventLoop::exec (this=this@entry=0x7ffb9cb2fdd0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#8  0x00007ffbbdba661a in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#9  0x00007ffbbdbab32f in QThreadPrivate::start (arg=0x1026590) at thread/qthread_unix.cpp:331
#10 0x00007ffbb62ea0a4 in start_thread () from /lib64/libpthread.so.0
#11 0x00007ffbbd2a504d in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7ffb97fff700 (LWP 2210)):
#0  0x00007ffbbd29cc1d in poll () from /lib64/libc.so.6
#1  0x00007ffbb5dcde64 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007ffbb5dcdf7c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007ffbbddddd8b in QEventDispatcherGlib::processEvents (this=0x7ffb8c004130, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007ffbbdd84d53 in QEventLoop::exec (this=this@entry=0x7ffb97ffedd0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007ffbbdba661a in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007ffbbdbab32f in QThreadPrivate::start (arg=0xfb35b0) at thread/qthread_unix.cpp:331
#7  0x00007ffbb62ea0a4 in start_thread () from /lib64/libpthread.so.0
#8  0x00007ffbbd2a504d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7ffbc35e5800 (LWP 1447)):
[KCrash Handler]
#6  QVector<QSharedPointer<KCalCore::Incidence> >::reserve (this=0x13e1980, asize=asize@entry=0) at /usr/include/qt5/QtCore/qvector.h:366
#7  0x00007ffbc21b9d54 in KCalCore::Calendar::setupRelations (this=0x10da230, forincidence=...) at /usr/src/debug/kcalcore-15.12.1/src/calendar.cpp:1032
#8  0x00007ffbc21f88ac in KCalCore::MemoryCalendar::addIncidence (this=0x10da230, incidence=...) at /usr/src/debug/kcalcore-15.12.1/src/memorycalendar.cpp:305
#9  0x00007ffbc2b9ce9d in Akonadi::CalendarBasePrivate::internalInsert (this=this@entry=0x1083860, item=...) at /usr/src/debug/akonadi-calendar-15.12.1/src/calendarbase.cpp:158
#10 0x00007ffbc2baac53 in Akonadi::ETMCalendarPrivate::itemsAdded (this=this@entry=0x1083860, items=...) at /usr/src/debug/akonadi-calendar-15.12.1/src/etmcalendar.cpp:295
#11 0x00007ffbc2bac232 in Akonadi::ETMCalendarPrivate::onRowsInsertedInFilteredModel (this=0x1083860, index=..., start=<optimized out>, end=<optimized out>) at /usr/src/debug/akonadi-calendar-15.12.1/src/etmcalendar.cpp:450
#12 0x00007ffbbddb673f in call (a=0x7ffdfe9a1ac0, r=0x1083860, this=0x1137330) at ../../src/corelib/kernel/qobject_impl.h:124
#13 QMetaObject::activate (sender=sender@entry=0x111afa0, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=10, argv=argv@entry=0x7ffdfe9a1ac0) at kernel/qobject.cpp:3698
#14 0x00007ffbbddb72e7 in QMetaObject::activate (sender=sender@entry=0x111afa0, m=m@entry=0x7ffbbe1d4e00 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=10, argv=argv@entry=0x7ffdfe9a1ac0) at kernel/qobject.cpp:3578
#15 0x00007ffbbde359b4 in QAbstractItemModel::rowsInserted (this=this@entry=0x111afa0, _t1=..., _t2=115, _t3=635) at .moc/moc_qabstractitemmodel.cpp:583
#16 0x00007ffbbdd337f2 in QAbstractItemModel::endInsertRows (this=this@entry=0x111afa0) at itemmodels/qabstractitemmodel.cpp:2619
#17 0x00007ffbbdd50abb in QSortFilterProxyModelPrivate::insert_source_items (this=this@entry=0x1133e10, source_to_proxy=..., proxy_to_source=..., source_items=..., source_parent=..., emit_signal=emit_signal@entry=true, orient=Qt::Vertical) at itemmodels/qsortfilterproxymodel.cpp:714
#18 0x00007ffbbdd57687 in source_items_inserted (orient=Qt::Vertical, end=<optimized out>, start=<optimized out>, source_parent=..., this=0x1133e10) at itemmodels/qsortfilterproxymodel.cpp:825
#19 QSortFilterProxyModelPrivate::_q_sourceRowsInserted (this=0x1133e10, source_parent=..., start=<optimized out>, end=<optimized out>) at itemmodels/qsortfilterproxymodel.cpp:1381
#20 0x00007ffbbdd58319 in QSortFilterProxyModel::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at .moc/moc_qsortfilterproxymodel.cpp:209
#21 0x00007ffbbddb6cc6 in QMetaObject::activate (sender=sender@entry=0x11088c0, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=10, argv=argv@entry=0x7ffdfe9a1e50) at kernel/qobject.cpp:3713
#22 0x00007ffbbddb72e7 in QMetaObject::activate (sender=sender@entry=0x11088c0, m=m@entry=0x7ffbbe1d4e00 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=10, argv=argv@entry=0x7ffdfe9a1e50) at kernel/qobject.cpp:3578
#23 0x00007ffbbde359b4 in QAbstractItemModel::rowsInserted (this=this@entry=0x11088c0, _t1=..., _t2=115, _t3=635) at .moc/moc_qabstractitemmodel.cpp:583
#24 0x00007ffbbdd337f2 in QAbstractItemModel::endInsertRows (this=this@entry=0x11088c0) at itemmodels/qabstractitemmodel.cpp:2619
#25 0x00007ffbbdd50abb in QSortFilterProxyModelPrivate::insert_source_items (this=this@entry=0x110a1e0, source_to_proxy=..., proxy_to_source=..., source_items=..., source_parent=..., emit_signal=emit_signal@entry=true, orient=Qt::Vertical) at itemmodels/qsortfilterproxymodel.cpp:714
#26 0x00007ffbbdd57687 in source_items_inserted (orient=Qt::Vertical, end=<optimized out>, start=<optimized out>, source_parent=..., this=0x110a1e0) at itemmodels/qsortfilterproxymodel.cpp:825
#27 QSortFilterProxyModelPrivate::_q_sourceRowsInserted (this=0x110a1e0, source_parent=..., start=<optimized out>, end=<optimized out>) at itemmodels/qsortfilterproxymodel.cpp:1381
#28 0x00007ffbbdd58319 in QSortFilterProxyModel::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at .moc/moc_qsortfilterproxymodel.cpp:209
#29 0x00007ffbbddb6cc6 in QMetaObject::activate (sender=sender@entry=0x11088a0, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=10, argv=argv@entry=0x7ffdfe9a21e0) at kernel/qobject.cpp:3713
#30 0x00007ffbbddb72e7 in QMetaObject::activate (sender=sender@entry=0x11088a0, m=m@entry=0x7ffbbe1d4e00 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=10, argv=argv@entry=0x7ffdfe9a21e0) at kernel/qobject.cpp:3578
#31 0x00007ffbbde359b4 in QAbstractItemModel::rowsInserted (this=this@entry=0x11088a0, _t1=..., _t2=115, _t3=635) at .moc/moc_qabstractitemmodel.cpp:583
#32 0x00007ffbbdd337f2 in QAbstractItemModel::endInsertRows (this=this@entry=0x11088a0) at itemmodels/qabstractitemmodel.cpp:2619
#33 0x00007ffbbdd50abb in QSortFilterProxyModelPrivate::insert_source_items (this=this@entry=0x1108fc0, source_to_proxy=..., proxy_to_source=..., source_items=..., source_parent=..., emit_signal=emit_signal@entry=true, orient=Qt::Vertical) at itemmodels/qsortfilterproxymodel.cpp:714
#34 0x00007ffbbdd57687 in source_items_inserted (orient=Qt::Vertical, end=<optimized out>, start=<optimized out>, source_parent=..., this=0x1108fc0) at itemmodels/qsortfilterproxymodel.cpp:825
#35 QSortFilterProxyModelPrivate::_q_sourceRowsInserted (this=0x1108fc0, source_parent=..., start=<optimized out>, end=<optimized out>) at itemmodels/qsortfilterproxymodel.cpp:1381
#36 0x00007ffbbdd58319 in QSortFilterProxyModel::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at .moc/moc_qsortfilterproxymodel.cpp:209
#37 0x00007ffbbddb6cc6 in QMetaObject::activate (sender=sender@entry=0x1107cc0, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=10, argv=argv@entry=0x7ffdfe9a2570) at kernel/qobject.cpp:3713
#38 0x00007ffbbddb72e7 in QMetaObject::activate (sender=sender@entry=0x1107cc0, m=m@entry=0x7ffbbe1d4e00 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=10, argv=argv@entry=0x7ffdfe9a2570) at kernel/qobject.cpp:3578
#39 0x00007ffbbde359b4 in QAbstractItemModel::rowsInserted (this=this@entry=0x1107cc0, _t1=..., _t2=115, _t3=635) at .moc/moc_qabstractitemmodel.cpp:583
#40 0x00007ffbbdd337f2 in QAbstractItemModel::endInsertRows (this=this@entry=0x1107cc0) at itemmodels/qabstractitemmodel.cpp:2619
#41 0x00007ffbbafd2d34 in KSelectionProxyModelPrivate::insertSelectionIntoProxy (this=this@entry=0x1108450, selection=...) at /usr/src/debug/kitemmodels-5.18.0/src/kselectionproxymodel.cpp:2084
#42 0x00007ffbbafd3211 in KSelectionProxyModelPrivate::selectionChanged (this=0x1108450, _selected=..., _deselected=...) at /usr/src/debug/kitemmodels-5.18.0/src/kselectionproxymodel.cpp:1991
#43 0x00007ffbbddb6cc6 in QMetaObject::activate (sender=sender@entry=0x1106a00, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffdfe9a2a80) at kernel/qobject.cpp:3713
#44 0x00007ffbbddb72e7 in QMetaObject::activate (sender=sender@entry=0x1106a00, m=m@entry=0x7ffbbe1d1380 <QItemSelectionModel::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffdfe9a2a80) at kernel/qobject.cpp:3578
#45 0x00007ffbbdd3b8c7 in QItemSelectionModel::selectionChanged (this=this@entry=0x1106a00, _t1=..., _t2=...) at .moc/moc_qitemselectionmodel.cpp:473
#46 0x00007ffbbdd419f0 in QItemSelectionModel::emitSelectionChanged (this=this@entry=0x1106a00, newSelection=..., oldSelection=...) at itemmodels/qitemselectionmodel.cpp:1857
#47 0x00007ffbbdd42915 in QItemSelectionModel::select (this=0x1106a00, selection=..., command=...) at itemmodels/qitemselectionmodel.cpp:1288
#48 0x00007ffbbafb7772 in KCheckableProxyModel::select (this=this@entry=0x103bfe0, selection=..., command=..., command@entry=...) at /usr/src/debug/kitemmodels-5.18.0/src/kcheckableproxymodel.cpp:132
#49 0x00007ffbbafb7d90 in KCheckableProxyModel::setData (this=this@entry=0x103bfe0, index=..., value=..., role=role@entry=10) at /usr/src/debug/kitemmodels-5.18.0/src/kcheckableproxymodel.cpp:105
#50 0x0000000000419c7d in checkAllItems (model=0x103bfe0, parent=...) at /usr/src/debug/kdepim-15.12.1/korgac/koalarmclient.cpp:93
#51 0x000000000041c48f in KOAlarmClient::deferredInit (this=0x7ffdfe9a39d0) at /usr/src/debug/kdepim-15.12.1/korgac/koalarmclient.cpp:139
#52 0x00007ffbbddb673f in call (a=0x7ffdfe9a2fb0, r=0x7ffdfe9a39d0, this=0x1137930) at ../../src/corelib/kernel/qobject_impl.h:124
#53 QMetaObject::activate (sender=0x1026850, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x7ffdfe9a2fb0) at kernel/qobject.cpp:3698
#54 0x00007ffbbddb72e7 in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x7ffbc0941b40 <Akonadi::EntityTreeModel::staticMetaObject>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x7ffdfe9a2fb0) at kernel/qobject.cpp:3578
#55 0x00007ffbc0692b32 in Akonadi::EntityTreeModel::collectionPopulated (this=<optimized out>, _t1=74) at /usr/src/debug/kdepimlibs-15.12.1/build/akonadi/src/core/moc_entitytreemodel.cpp:505
#56 0x00007ffbc069eb75 in Akonadi::EntityTreeModelPrivate::itemFetchJobDone (this=0x11043c0, job=0x1334730) at /usr/src/debug/kdepimlibs-15.12.1/akonadi/src/core/models/entitytreemodel_p.cpp:1353
#57 0x00007ffbbddb6cc6 in QMetaObject::activate (sender=sender@entry=0x1334730, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=3, argv=argv@entry=0x7ffdfe9a31c0) at kernel/qobject.cpp:3713
#58 0x00007ffbbddb72e7 in QMetaObject::activate (sender=sender@entry=0x1334730, m=m@entry=0x7ffbbf8e70c0 <KJob::staticMetaObject>, local_signal_index=local_signal_index@entry=3, argv=argv@entry=0x7ffdfe9a31c0) at kernel/qobject.cpp:3578
#59 0x00007ffbbf6975b2 in KJob::result (this=this@entry=0x1334730, _t1=_t1@entry=0x1334730) at /usr/src/debug/kcoreaddons-5.18.0/build/src/lib/moc_kjob.cpp:555
#60 0x00007ffbbf697e1f in KJob::finishJob (this=0x1334730, emitResult=emitResult@entry=true) at /usr/src/debug/kcoreaddons-5.18.0/src/lib/jobs/kjob.cpp:109
#61 0x00007ffbbf697e8a in KJob::emitResult (this=<optimized out>) at /usr/src/debug/kcoreaddons-5.18.0/src/lib/jobs/kjob.cpp:295
#62 0x00007ffbc065c494 in Akonadi::JobPrivate::delayedEmitResult (this=<optimized out>) at /usr/src/debug/kdepimlibs-15.12.1/akonadi/src/core/jobs/job.cpp:153
#63 0x00007ffbc065d179 in Akonadi::Job::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at /usr/src/debug/kdepimlibs-15.12.1/build/akonadi/src/core/moc_job.cpp:108
#64 0x00007ffbbddb7ac6 in QObject::event (this=0x1334730, e=<optimized out>) at kernel/qobject.cpp:1239
#65 0x00007ffbbeceae7c in QApplicationPrivate::notify_helper (this=this@entry=0xf90370, receiver=receiver@entry=0x1334730, e=e@entry=0x12e3300) at kernel/qapplication.cpp:3716
#66 0x00007ffbbecefcc8 in QApplication::notify (this=0x7ffdfe9a39a0, receiver=0x1334730, e=0x12e3300) at kernel/qapplication.cpp:3499
#67 0x00007ffbbdd86e95 in QCoreApplication::notifyInternal (this=0x7ffdfe9a39a0, receiver=0x1334730, event=event@entry=0x12e3300) at kernel/qcoreapplication.cpp:965
#68 0x00007ffbbdd89057 in sendEvent (event=0x12e3300, receiver=<optimized out>) at kernel/qcoreapplication.h:224
#69 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0xf8ce20) at kernel/qcoreapplication.cpp:1593
#70 0x00007ffbbdd89608 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1451
#71 0x00007ffbbddde8f3 in postEventSourceDispatch (s=0xfdcda0) at kernel/qeventdispatcher_glib.cpp:271
#72 0x00007ffbb5dcdc84 in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#73 0x00007ffbb5dcded8 in ?? () from /usr/lib64/libglib-2.0.so.0
#74 0x00007ffbb5dcdf7c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#75 0x00007ffbbddddd6c in QEventDispatcherGlib::processEvents (this=0xfd8f60, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#76 0x00007ffbbdd84d53 in QEventLoop::exec (this=this@entry=0x7ffdfe9a3820, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#77 0x00007ffbbdd8c8f6 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1229
#78 0x00000000004198ce in main (argc=1, argv=<optimized out>) at /usr/src/debug/kdepim-15.12.1/korgac/korgacmain.cpp:74

Reported using DrKonqi