Application: korganizer (5.12.1)

Qt Version: 5.12.3
Frameworks Version: 5.62.0
Operating System: Linux 5.0.0-29-generic x86_64
Distribution: KDE neon User Edition 5.16

-- Information about the crash:
- What I was doing when the application crashed:

Application crashed after unchecking some of the calendars shown in the bottom-right corner in KOrganizer. This was on a Google account with about a dozen calendars.

The crash does not seem to be reproducible.

-- Backtrace:
Application: KOrganizer (korganizer), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f4c0fc54880 (LWP 10998))]

Thread 7 (Thread 0x7f4bd17af700 (LWP 11021)):
#0  0x00007f4c02df09f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f4bf7d18fb8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f4bf7d18f68, cond=0x7f4bf7d18f90) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f4bf7d18f90, mutex=0x7f4bf7d18f68) at pthread_cond_wait.c:655
#3  0x00007f4bf7a22844 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#4  0x00007f4bf7a22889 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#5  0x00007f4c02dea6db in start_thread (arg=0x7f4bd17af700) at pthread_create.c:463
#6  0x00007f4c0b3b888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f4bd29c0700 (LWP 11019)):
#0  0x00007f4c02df09f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5590a7ebb368) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x5590a7ebb318, cond=0x5590a7ebb340) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x5590a7ebb340, mutex=0x5590a7ebb318) at pthread_cond_wait.c:655
#3  0x00007f4bd32b584b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007f4bd32b5447 in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007f4c02dea6db in start_thread (arg=0x7f4bd29c0700) at pthread_create.c:463
#6  0x00007f4c0b3b888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f4be6dee700 (LWP 11007)):
#0  0x00007f4c0b3a70b4 in __GI___libc_read (fd=13, buf=0x7f4be6dedb10, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f4c00f622d0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4c00f1d0b7 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f4c00f1d570 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f4c00f1d6dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f4c0bf06dcb in QEventDispatcherGlib::processEvents (this=0x7f4bd4000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#6  0x00007f4c0bea803a in QEventLoop::exec (this=this@entry=0x7f4be6dedd20, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#7  0x00007f4c0bccf4ca in QThread::exec (this=<optimized out>) at thread/qthread.cpp:531
#8  0x00007f4c0bcd0c72 in QThreadPrivate::start (arg=0x5590a7b8c880) at thread/qthread_unix.cpp:361
#9  0x00007f4c02dea6db in start_thread (arg=0x7f4be6dee700) at pthread_create.c:463
#10 0x00007f4c0b3b888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f4be75ef700 (LWP 11004)):
#0  0x00007f4c00f1a4f9 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f4c00f1cef2 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4c00f1d570 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f4c00f1d6dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f4c0bf06dcb in QEventDispatcherGlib::processEvents (this=0x7f4bdc000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007f4c0bea803a in QEventLoop::exec (this=this@entry=0x7f4be75eed20, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#6  0x00007f4c0bccf4ca in QThread::exec (this=<optimized out>) at thread/qthread.cpp:531
#7  0x00007f4c0bcd0c72 in QThreadPrivate::start (arg=0x5590a7b35c10) at thread/qthread_unix.cpp:361
#8  0x00007f4c02dea6db in start_thread (arg=0x7f4be75ef700) at pthread_create.c:463
#9  0x00007f4c0b3b888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f4becd24700 (LWP 11000)):
#0  0x00007f4c0b3abbf9 in __GI___poll (fds=0x7f4be0020bb0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f4c00f1d5c9 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4c00f1d6dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f4c0bf06dcb in QEventDispatcherGlib::processEvents (this=0x7f4be0000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f4c0bea803a in QEventLoop::exec (this=this@entry=0x7f4becd23cf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#5  0x00007f4c0bccf4ca in QThread::exec (this=<optimized out>) at thread/qthread.cpp:531
#6  0x00007f4c0a614015 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f4c0bcd0c72 in QThreadPrivate::start (arg=0x7f4c0a88bd80) at thread/qthread_unix.cpp:361
#8  0x00007f4c02dea6db in start_thread (arg=0x7f4becd24700) at pthread_create.c:463
#9  0x00007f4c0b3b888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f4bef8f8700 (LWP 10999)):
#0  0x00007f4c0b3abbf9 in __GI___poll (fds=0x7f4bef8f7c28, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f4c00aaf747 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f4c00ab136a in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f4bf24d8578 in QXcbEventQueue::run (this=0x5590a7ab8e30) at qxcbeventqueue.cpp:228
#4  0x00007f4c0bcd0c72 in QThreadPrivate::start (arg=0x5590a7ab8e30) at thread/qthread_unix.cpp:361
#5  0x00007f4c02dea6db in start_thread (arg=0x7f4bef8f8700) at pthread_create.c:463
#6  0x00007f4c0b3b888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f4c0fc54880 (LWP 10998)):
[KCrash Handler]
#6  std::__atomic_base<int>::operator++ (this=0xd000400000020) at /usr/include/c++/7/bits/atomic_base.h:296
#7  QAtomicOps<int>::ref<int> (_q_value=...) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qatomic_cxx11.h:265
#8  QBasicAtomicInteger<int>::ref (this=0xd000400000020) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qbasicatomic.h:114
#9  QSharedDataPointer<Akonadi::ItemPrivate>::operator= (o=..., this=0x7fff50275ae8) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qshareddata.h:96
#10 Akonadi::Item::operator= (this=this@entry=0x7fff50275ae8, other=...) at ./src/core/item.cpp:219
#11 0x00007f4c08e8d51a in Akonadi::CalendarBase::item (this=this@entry=0x5590a7bd3a70, uid=...) at ./src/calendarbase.cpp:462
#12 0x00007f4c08e8da54 in Akonadi::CalendarBase::deleteIncidence (this=0x5590a7bd3a70, incidence=...) at ./src/calendarbase.cpp:653
#13 0x00007f4c0e2dc605 in KCalendarCore::MemoryCalendar::deleteIncidenceInstances (this=0x5590a7bd3a70, incidence=...) at ./src/memorycalendar.cpp:215
#14 0x00007f4c0e2dc068 in KCalendarCore::MemoryCalendar::deleteIncidence (this=0x5590a7bd3a70, incidence=...) at ./src/memorycalendar.cpp:193
#15 0x00007f4c08e91867 in Akonadi::CalendarBasePrivate::internalRemove (this=this@entry=0x5590a7bd02e0, item=...) at ./src/calendarbase.cpp:232
#16 0x00007f4c08e9c297 in Akonadi::ETMCalendarPrivate::itemsRemoved (this=this@entry=0x5590a7bd02e0, items=...) at ./src/etmcalendar.cpp:309
#17 0x00007f4c08e9e85f in Akonadi::ETMCalendarPrivate::onRowsAboutToBeRemovedInFilteredModel (this=0x5590a7bd02e0, index=..., start=<optimized out>, end=<optimized out>) at ./src/etmcalendar.cpp:454
#18 0x00007f4c0bed998f in QtPrivate::QSlotObjectBase::call (a=0x7fff50275ec0, r=0x5590a7bd02e0, this=0x5590a7bc37d0) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394
#19 QMetaObject::activate (sender=sender@entry=0x5590a7bac280, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=11, argv=argv@entry=0x7fff50275ec0) at kernel/qobject.cpp:3776
#20 0x00007f4c0bed9f47 in QMetaObject::activate (sender=sender@entry=0x5590a7bac280, m=m@entry=0x7f4c0c3555a0 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=11, argv=argv@entry=0x7fff50275ec0) at kernel/qobject.cpp:3648
#21 0x00007f4c0be5166e in QAbstractItemModel::rowsAboutToBeRemoved (this=this@entry=0x5590a7bac280, _t1=..., _t2=<optimized out>, _t2@entry=3603, _t3=<optimized out>, _t3@entry=4898, _t4=...) at .moc/moc_qabstractitemmodel.cpp:598
#22 0x00007f4c0be588ab in QAbstractItemModel::beginRemoveRows (this=0x5590a7bac280, parent=..., first=3603, last=4898) at itemmodels/qabstractitemmodel.cpp:2790
#23 0x00007f4c0be7da85 in QSortFilterProxyModelPrivate::remove_proxy_interval (emit_signal=true, orient=Qt::Vertical, proxy_parent=..., proxy_end=4898, proxy_start=3603, proxy_to_source=..., source_to_proxy=..., this=0x5590a7bd3770) at itemmodels/qsortfilterproxymodel.cpp:764
#24 QSortFilterProxyModelPrivate::remove_source_items (this=this@entry=0x5590a7bd3770, source_to_proxy=..., proxy_to_source=..., source_items=..., source_parent=..., orient=orient@entry=Qt::Vertical, emit_signal=true) at itemmodels/qsortfilterproxymodel.cpp:745
#25 0x00007f4c0be7dc23 in QSortFilterProxyModelPrivate::source_items_about_to_be_removed (this=0x5590a7bd3770, source_parent=..., start=3603, end=4898, orient=orient@entry=Qt::Vertical) at itemmodels/qsortfilterproxymodel.cpp:1046
#26 0x00007f4c0be80b98 in QSortFilterProxyModelPrivate::_q_sourceRowsAboutToBeRemoved (end=<optimized out>, start=<optimized out>, source_parent=..., this=<optimized out>) at itemmodels/qsortfilterproxymodel.cpp:1672
#27 QSortFilterProxyModel::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at .moc/moc_qsortfilterproxymodel.cpp:232
#28 0x00007f4c0bed9875 in QMetaObject::activate (sender=sender@entry=0x5590a7bb0ef0, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=11, argv=argv@entry=0x7fff50276200) at kernel/qobject.cpp:3795
#29 0x00007f4c0bed9f47 in QMetaObject::activate (sender=sender@entry=0x5590a7bb0ef0, m=m@entry=0x7f4c0c3555a0 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=11, argv=argv@entry=0x7fff50276200) at kernel/qobject.cpp:3648
#30 0x00007f4c0be5166e in QAbstractItemModel::rowsAboutToBeRemoved (this=this@entry=0x5590a7bb0ef0, _t1=..., _t2=<optimized out>, _t2@entry=3603, _t3=<optimized out>, _t3@entry=4898, _t4=...) at .moc/moc_qabstractitemmodel.cpp:598
#31 0x00007f4c0be588ab in QAbstractItemModel::beginRemoveRows (this=0x5590a7bb0ef0, parent=..., first=3603, last=4898) at itemmodels/qabstractitemmodel.cpp:2790
#32 0x00007f4c0be7da85 in QSortFilterProxyModelPrivate::remove_proxy_interval (emit_signal=true, orient=Qt::Vertical, proxy_parent=..., proxy_end=4898, proxy_start=3603, proxy_to_source=..., source_to_proxy=..., this=0x5590a7bd2410) at itemmodels/qsortfilterproxymodel.cpp:764
#33 QSortFilterProxyModelPrivate::remove_source_items (this=this@entry=0x5590a7bd2410, source_to_proxy=..., proxy_to_source=..., source_items=..., source_parent=..., orient=orient@entry=Qt::Vertical, emit_signal=true) at itemmodels/qsortfilterproxymodel.cpp:745
#34 0x00007f4c0be7dc23 in QSortFilterProxyModelPrivate::source_items_about_to_be_removed (this=0x5590a7bd2410, source_parent=..., start=3607, end=4904, orient=orient@entry=Qt::Vertical) at itemmodels/qsortfilterproxymodel.cpp:1046
#35 0x00007f4c0be80b98 in QSortFilterProxyModelPrivate::_q_sourceRowsAboutToBeRemoved (end=<optimized out>, start=<optimized out>, source_parent=..., this=<optimized out>) at itemmodels/qsortfilterproxymodel.cpp:1672
#36 QSortFilterProxyModel::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at .moc/moc_qsortfilterproxymodel.cpp:232
#37 0x00007f4c0bed9875 in QMetaObject::activate (sender=sender@entry=0x5590a7bb8b00, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=11, argv=argv@entry=0x7fff50276540) at kernel/qobject.cpp:3795
#38 0x00007f4c0bed9f47 in QMetaObject::activate (sender=sender@entry=0x5590a7bb8b00, m=m@entry=0x7f4c0c3555a0 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=11, argv=argv@entry=0x7fff50276540) at kernel/qobject.cpp:3648
#39 0x00007f4c0be5166e in QAbstractItemModel::rowsAboutToBeRemoved (this=this@entry=0x5590a7bb8b00, _t1=..., _t2=<optimized out>, _t2@entry=3607, _t3=<optimized out>, _t3@entry=4904, _t4=...) at .moc/moc_qabstractitemmodel.cpp:598
#40 0x00007f4c0be588ab in QAbstractItemModel::beginRemoveRows (this=0x5590a7bb8b00, parent=..., first=3607, last=4904) at itemmodels/qabstractitemmodel.cpp:2790
#41 0x00007f4c0be7da85 in QSortFilterProxyModelPrivate::remove_proxy_interval (emit_signal=true, orient=Qt::Vertical, proxy_parent=..., proxy_end=4904, proxy_start=3607, proxy_to_source=..., source_to_proxy=..., this=0x5590a7bcf430) at itemmodels/qsortfilterproxymodel.cpp:764
#42 QSortFilterProxyModelPrivate::remove_source_items (this=this@entry=0x5590a7bcf430, source_to_proxy=..., proxy_to_source=..., source_items=..., source_parent=..., orient=orient@entry=Qt::Vertical, emit_signal=true) at itemmodels/qsortfilterproxymodel.cpp:745
#43 0x00007f4c0be7dc23 in QSortFilterProxyModelPrivate::source_items_about_to_be_removed (this=0x5590a7bcf430, source_parent=..., start=3607, end=4904, orient=orient@entry=Qt::Vertical) at itemmodels/qsortfilterproxymodel.cpp:1046
#44 0x00007f4c0be80b98 in QSortFilterProxyModelPrivate::_q_sourceRowsAboutToBeRemoved (end=<optimized out>, start=<optimized out>, source_parent=..., this=<optimized out>) at itemmodels/qsortfilterproxymodel.cpp:1672
#45 QSortFilterProxyModel::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at .moc/moc_qsortfilterproxymodel.cpp:232
#46 0x00007f4c0bed9875 in QMetaObject::activate (sender=sender@entry=0x5590a7bae170, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=11, argv=argv@entry=0x7fff50276880) at kernel/qobject.cpp:3795
#47 0x00007f4c0bed9f47 in QMetaObject::activate (sender=sender@entry=0x5590a7bae170, m=m@entry=0x7f4c0c3555a0 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=11, argv=argv@entry=0x7fff50276880) at kernel/qobject.cpp:3648
#48 0x00007f4c0be5166e in QAbstractItemModel::rowsAboutToBeRemoved (this=this@entry=0x5590a7bae170, _t1=..., _t2=<optimized out>, _t2@entry=3607, _t3=<optimized out>, _t3@entry=4904, _t4=...) at .moc/moc_qabstractitemmodel.cpp:598
#49 0x00007f4c0be588ab in QAbstractItemModel::beginRemoveRows (this=this@entry=0x5590a7bae170, parent=..., first=first@entry=3607, last=last@entry=4904) at itemmodels/qabstractitemmodel.cpp:2790
#50 0x00007f4c08068737 in KSelectionProxyModelPrivate::removeSelectionFromProxy (this=this@entry=0x5590a7bd3c50, selection=...) at ./src/kselectionproxymodel.cpp:1753
#51 0x00007f4c08069ac9 in KSelectionProxyModelPrivate::selectionChanged (this=<optimized out>, _selected=..., _deselected=...) at ./src/kselectionproxymodel.cpp:1899
#52 0x00007f4c0bed9875 in QMetaObject::activate (sender=sender@entry=0x5590a7bb1080, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7fff50276c70) at kernel/qobject.cpp:3795
#53 0x00007f4c0bed9f47 in QMetaObject::activate (sender=sender@entry=0x5590a7bb1080, m=m@entry=0x7f4c0c3556a0 <QItemSelectionModel::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7fff50276c70) at kernel/qobject.cpp:3648
#54 0x00007f4c0be5f8e7 in QItemSelectionModel::selectionChanged (this=this@entry=0x5590a7bb1080, _t1=..., _t2=...) at .moc/moc_qitemselectionmodel.cpp:458
#55 0x00007f4c0be64a65 in QItemSelectionModel::emitSelectionChanged (this=this@entry=0x5590a7bb1080, newSelection=..., oldSelection=...) at itemmodels/qitemselectionmodel.cpp:1927
#56 0x00007f4c0be6799b in QItemSelectionModel::select (this=0x5590a7bb1080, selection=..., command=...) at itemmodels/qitemselectionmodel.cpp:1338
#57 0x00007f4c0804de02 in KCheckableProxyModel::select (this=this@entry=0x5590a7bb7000, selection=..., command=..., command@entry=...) at ./src/kcheckableproxymodel.cpp:133
#58 0x00007f4c0804e384 in KCheckableProxyModel::setData (this=0x5590a7bb7000, index=..., value=..., role=<optimized out>) at ./src/kcheckableproxymodel.cpp:104
#59 0x00007f4c0be7722a in QSortFilterProxyModel::setData (this=<optimized out>, index=..., value=..., role=10) at itemmodels/qsortfilterproxymodel.cpp:2244
#60 0x00007f4c0be7722a in QSortFilterProxyModel::setData (this=<optimized out>, index=..., value=..., role=10) at itemmodels/qsortfilterproxymodel.cpp:2244
#61 0x00007f4c0be7722a in QSortFilterProxyModel::setData (this=this@entry=0x5590a7d98bd0, index=..., value=..., role=role@entry=10) at itemmodels/qsortfilterproxymodel.cpp:2244
#62 0x00007f4c0d17c03d in QStyledItemDelegate::editorEvent (this=0x5590a7da6360, event=0x7fff50277cd0, model=0x5590a7d98bd0, option=..., index=...) at itemviews/qstyleditemdelegate.cpp:644
#63 0x00007f4c0f5d4d2e in StyledCalendarDelegate::editorEvent (this=0x5590a7da6360, event=0x7fff50277cd0, model=0x5590a7d98bd0, option=..., index=...) at ./src/views/collectionview/calendardelegate.cpp:195
#64 0x00007f4c0d155c5c in QAbstractItemViewPrivate::sendDelegateEvent (this=this@entry=0x5590a7d9a6b0, index=..., event=event@entry=0x7fff50277cd0) at itemviews/qabstractitemview.cpp:4396
#65 0x00007f4c0d15b0fb in QAbstractItemView::edit (this=this@entry=0x5590a7d99530, index=..., trigger=trigger@entry=QAbstractItemView::NoEditTriggers, event=event@entry=0x7fff50277cd0) at itemviews/qabstractitemview.cpp:2659
#66 0x00007f4c0d155ed6 in QAbstractItemView::mouseReleaseEvent (this=this@entry=0x5590a7d99530, event=event@entry=0x7fff50277cd0) at itemviews/qabstractitemview.cpp:1915
#67 0x00007f4c0d1c932b in QTreeView::mouseReleaseEvent (this=0x5590a7d99530, event=0x7fff50277cd0) at itemviews/qtreeview.cpp:1907
#68 0x00007f4c0cf449c8 in QWidget::event (this=this@entry=0x5590a7d99530, event=event@entry=0x7fff50277cd0) at kernel/qwidget.cpp:9322
#69 0x00007f4c0cfe77ee in QFrame::event (this=0x5590a7d99530, e=0x7fff50277cd0) at widgets/qframe.cpp:550
#70 0x00007f4c0d15ef43 in QAbstractItemView::viewportEvent (this=this@entry=0x5590a7d99530, event=event@entry=0x7fff50277cd0) at itemviews/qabstractitemview.cpp:1750
#71 0x00007f4c0d1c8bec in QTreeView::viewportEvent (this=0x5590a7d99530, event=0x7fff50277cd0) at itemviews/qtreeview.cpp:1318
#72 0x00007f4c0bea9a9d in QCoreApplicationPrivate::sendThroughObjectEventFilters (receiver=receiver@entry=0x5590a7d9a120, event=event@entry=0x7fff50277cd0) at kernel/qcoreapplication.cpp:1186
#73 0x00007f4c0cf04635 in QApplicationPrivate::notify_helper (this=this@entry=0x5590a7a99140, receiver=receiver@entry=0x5590a7d9a120, e=e@entry=0x7fff50277cd0) at kernel/qapplication.cpp:3728
#74 0x00007f4c0cf0ca58 in QApplication::notify (this=<optimized out>, receiver=0x5590a7d9a120, e=0x7fff50277cd0) at kernel/qapplication.cpp:3197
#75 0x00007f4c0bea9d18 in QCoreApplication::notifyInternal2 (receiver=0x5590a7d9a120, event=0x7fff50277cd0) at kernel/qcoreapplication.cpp:1060
#76 0x00007f4c0bea9efe in QCoreApplication::sendSpontaneousEvent (receiver=receiver@entry=0x5590a7d9a120, event=event@entry=0x7fff50277cd0) at kernel/qcoreapplication.cpp:1462
#77 0x00007f4c0cf0b05f in QApplicationPrivate::sendMouseEvent (receiver=receiver@entry=0x5590a7d9a120, event=event@entry=0x7fff50277cd0, alienWidget=0x5590a7d9a120, nativeWidget=0x7f4be00138e0, buttonDown=buttonDown@entry=0x7f4c0d6078d0 <qt_button_down>, lastMouseReceiver=..., spontaneous=true, onlyDispatchEnterLeave=false) at kernel/qapplication.cpp:2683
#78 0x00007f4c0cf5f8a1 in QWidgetWindow::handleMouseEvent (this=this@entry=0x5590a7ddbbf0, event=event@entry=0x7fff50278160) at kernel/qwidgetwindow.cpp:662
#79 0x00007f4c0cf626fa in QWidgetWindow::event (this=0x5590a7ddbbf0, event=0x7fff50278160) at kernel/qwidgetwindow.cpp:281
#80 0x00007f4c0cf0465c in QApplicationPrivate::notify_helper (this=this@entry=0x5590a7a99140, receiver=receiver@entry=0x5590a7ddbbf0, e=e@entry=0x7fff50278160) at kernel/qapplication.cpp:3736
#81 0x00007f4c0cf0bb90 in QApplication::notify (this=0x7fff502785e0, receiver=0x5590a7ddbbf0, e=0x7fff50278160) at kernel/qapplication.cpp:3483
#82 0x00007f4c0bea9d18 in QCoreApplication::notifyInternal2 (receiver=0x5590a7ddbbf0, event=0x7fff50278160) at kernel/qcoreapplication.cpp:1060
#83 0x00007f4c0bea9efe in QCoreApplication::sendSpontaneousEvent (receiver=receiver@entry=0x5590a7ddbbf0, event=event@entry=0x7fff50278160) at kernel/qcoreapplication.cpp:1462
#84 0x00007f4c0c6d21fb in QGuiApplicationPrivate::processMouseEvent (e=0x5590a90f5360) at kernel/qguiapplication.cpp:2102
#85 0x00007f4c0c6d3365 in QGuiApplicationPrivate::processWindowSystemEvent (e=e@entry=0x5590a90f5360) at kernel/qguiapplication.cpp:1837
#86 0x00007f4c0c6abb4b in QWindowSystemInterface::sendWindowSystemEvents (flags=flags@entry=...) at kernel/qwindowsysteminterface.cpp:1151
#87 0x00007f4bf24d959a in xcbSourceDispatch (source=<optimized out>) at qxcbeventdispatcher.cpp:105
#88 0x00007f4c00f1d417 in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#89 0x00007f4c00f1d650 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#90 0x00007f4c00f1d6dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#91 0x00007f4c0bf06daf in QEventDispatcherGlib::processEvents (this=0x5590a7afb930, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#92 0x00007f4c0bea803a in QEventLoop::exec (this=this@entry=0x7fff50278500, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#93 0x00007f4c0beb1170 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1363
#94 0x00005590a660ee27 in main (argc=<optimized out>, argv=<optimized out>) at ./src/main.cpp:64

Reported using DrKonqi