Application: dolphin (20.11.70)
 (Compiled from sources)
Qt Version: 5.15.0
Frameworks Version: 5.73.0
Operating System: Linux 5.7.8-arch1-1 x86_64
Windowing system: X11
Distribution: Arch Linux

-- Information about the crash:
It only happens sometimes and perhaps only when expanding and closing more than one folder.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Dolphin (dolphin), signal: Aborted
Content of s_kcrashErrorMessage: (null)
[KCrash Handler]
#6  0x00007fba3b874355 in raise () from /usr/lib/libc.so.6
#7  0x00007fba3b85d853 in abort () from /usr/lib/libc.so.6
#8  0x00007fba3b8b7878 in __libc_message () from /usr/lib/libc.so.6
#9  0x00007fba3b8bed3a in malloc_printerr () from /usr/lib/libc.so.6
#10 0x00007fba3b8c033d in _int_free () from /usr/lib/libc.so.6
#11 0x00007fba3b780b9b in KFileItemModel::removeItems (behavior=KFileItemModel::DeleteItemData, itemRanges=..., this=0x55f50334a460) at /usr/src/debug/dolphin/src/kitemviews/kfileitemmodel.h:298
#12 KFileItemModel::removeItems (this=0x55f50334a460, itemRanges=..., behavior=KFileItemModel::DeleteItemData) at /usr/src/debug/dolphin/src/kitemviews/kfileitemmodel.cpp:1281
#13 0x00007fba3b78c75e in KFileItemModel::setExpanded (this=0x55f50334a460, index=28, expanded=<optimized out>) at /usr/src/debug/dolphin/src/kitemviews/kitemrange.h:61
#14 0x00007fba3b79c95b in KItemListController::mouseReleaseEvent (transform=..., event=0x7fff5e149250, this=0x55f5038b9b60) at /usr/src/debug/dolphin/src/kitemviews/kitemlistcontroller.cpp:783
#15 KItemListController::mouseReleaseEvent (this=0x55f5038b9b60, event=0x7fff5e149250, transform=...) at /usr/src/debug/dolphin/src/kitemviews/kitemlistcontroller.cpp:734
#16 0x00007fba3b79f50b in KItemListController::processEvent (this=0x55f5038b9b60, event=0x7fff5e149250, transform=...) at /usr/src/debug/dolphin/src/kitemviews/kitemlistcontroller.cpp:1060
#17 0x00007fba3b7af1cf in KItemListView::event (this=0x55f50342b7f0, event=0x7fff5e149250) at /usr/src/debug/dolphin/src/kitemviews/kitemlistview.cpp:917
#18 0x00007fba3a51f702 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5
#19 0x00007fba399947ba in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/libQt5Core.so.5
#20 0x00007fba3a844ed6 in ?? () from /usr/lib/libQt5Widgets.so.5
#21 0x00007fba3a84528e in ?? () from /usr/lib/libQt5Widgets.so.5
#22 0x00007fba3a84abbc in QGraphicsScene::mouseReleaseEvent(QGraphicsSceneMouseEvent*) () from /usr/lib/libQt5Widgets.so.5
#23 0x00007fba3a857ac3 in QGraphicsScene::event(QEvent*) () from /usr/lib/libQt5Widgets.so.5
#24 0x00007fba3a51f702 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5
#25 0x00007fba399947ba in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/libQt5Core.so.5
#26 0x00007fba3a874afa in QGraphicsView::mouseReleaseEvent(QMouseEvent*) () from /usr/lib/libQt5Widgets.so.5
#27 0x00007fba3a560c7e in QWidget::event(QEvent*) () from /usr/lib/libQt5Widgets.so.5
#28 0x00007fba3a60bf9f in QFrame::event(QEvent*) () from /usr/lib/libQt5Widgets.so.5
#29 0x00007fba39994523 in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /usr/lib/libQt5Core.so.5
#30 0x00007fba3a51f6f1 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5
#31 0x00007fba3a526977 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5
#32 0x00007fba399947ba in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/libQt5Core.so.5
#33 0x00007fba3a52585e in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool, bool) () from /usr/lib/libQt5Widgets.so.5
#34 0x00007fba3a5793b2 in ?? () from /usr/lib/libQt5Widgets.so.5
#35 0x00007fba3a57c78f in ?? () from /usr/lib/libQt5Widgets.so.5
#36 0x00007fba3a51f702 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5
#37 0x00007fba399947ba in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/libQt5Core.so.5
#38 0x00007fba39e2c37c in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () from /usr/lib/libQt5Gui.so.5
#39 0x00007fba39e01b4c in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Gui.so.5
#40 0x00007fba34aefc8c in ?? () from /usr/lib/libQt5XcbQpa.so.5
#41 0x00007fba3786f43c in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#42 0x00007fba378bd1d9 in ?? () from /usr/lib/libglib-2.0.so.0
#43 0x00007fba3786e221 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#44 0x00007fba399ed331 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#45 0x00007fba3999313c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#46 0x00007fba3999b5c4 in QCoreApplication::exec() () from /usr/lib/libQt5Core.so.5
#47 0x00007fba3ba42c0f in kdemain (argc=<optimized out>, argv=0x7fff5e149ee0) at /usr/src/debug/dolphin/src/main.cpp:206
#48 0x00007fba3b85f002 in __libc_start_main () from /usr/lib/libc.so.6
#49 0x000055f50137a05e in _start ()
[Inferior 1 (process 730489) detached]

The reporter indicates this bug may be a duplicate of or related to bug 380201.

Possible duplicates by query: bug 423506, bug 422282, bug 403691, bug 403665, bug 401602.

Reported using DrKonqi