[dolphin] [Bug 478357] New: dolphin crashes reproducibly when deleting a folder that is expanded, expands wrong folder!

[Christian González]

https://bugs.kde.org/show_bug.cgi?id=478357

            Bug ID: 478357
           Summary: dolphin crashes reproducibly when deleting a folder
                    that is expanded, expands wrong folder!
    Classification: Applications
           Product: dolphin
           Version: 23.08.3
          Platform: Manjaro
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: dolphin-bugs-null at kde.org
          Reporter: christian.gonzalez at nerdocs.at
                CC: kfm-devel at kde.org
  Target Milestone: ---

Application: dolphin (23.08.3)

Qt Version: 5.15.11
Frameworks Version: 5.112.0
Operating System: Linux 6.5.13-1-MANJARO x86_64
Windowing System: Wayland
Distribution: Manjaro Linux
DrKonqi: 5.27.9 [KCrashBackend]

-- Information about the crash:
Weird behaviour. reproducible here on Manjaro current.
in a folder, create folder "A" and place a file in it. Create folder "B" and
place a file in it.
now expand folder B using the "greater than" sign on its left. close it again.
Now expand folder A using the same technique.

Result: The folder A content is displayed below folder B (!)
When you now mark folder A and press "Del" on the keyboard, Dolphin crashes.

The reporter is unsure if this crash is reproducible.

-- Backtrace:
Application: Dolphin (dolphin), signal: Segmentation fault

[KCrash Handler]
#4  0x00007f3b9c452ea3 in
KFileItemModel::expandedParentsCount(KFileItemModel::ItemData const*) () at
/usr/lib/libdolphinprivate.so.5
#5  0x00007f3b9c48de99 in KItemListView::hasSiblingSuccessor(int) const () at
/usr/lib/libdolphinprivate.so.5
#6  0x00007f3b9c48e0de in KItemListView::updateSiblingsInformation(int, int) ()
at /usr/lib/libdolphinprivate.so.5
#7  0x00007f3b9c4876f8 in KItemListView::slotItemsRemoved(KItemRangeList
const&) () at /usr/lib/libdolphinprivate.so.5
#8  0x00007f3b9a2d1097 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f3b9c491b6a in KItemModelBase::itemsRemoved(KItemRangeList const&)
() at /usr/lib/libdolphinprivate.so.5
#10 0x00007f3b9c45be8f in KFileItemModel::slotItemsDeleted(KFileItemList
const&) () at /usr/lib/libdolphinprivate.so.5
#11 0x00007f3b9a2d1097 in  () at /usr/lib/libQt5Core.so.5
#12 0x00007f3b9bf392ba in KCoreDirLister::itemsDeleted(KFileItemList const&) ()
at /usr/lib/libKF5KIOCore.so.5
#13 0x00007f3b9bf3fc0a in  () at /usr/lib/libKF5KIOCore.so.5
#14 0x00007f3b9bf34385 in  () at /usr/lib/libKF5KIOCore.so.5
#15 0x00007f3b9bf34ae6 in  () at /usr/lib/libKF5KIOCore.so.5
#16 0x00007f3b9a2d1097 in  () at /usr/lib/libQt5Core.so.5
#17 0x00007f3b9bf4b8ea in OrgKdeKDirNotifyInterface::FilesRemoved(QStringList
const&) () at /usr/lib/libKF5KIOCore.so.5
#18 0x00007f3b9bf517d3 in
OrgKdeKDirNotifyInterface::qt_metacall(QMetaObject::Call, int, void**) () at
/usr/lib/libKF5KIOCore.so.5
#19 0x00007f3b9b5ca76e in  () at /usr/lib/libQt5DBus.so.5
#20 0x00007f3b9a2c3bd4 in QObject::event(QEvent*) () at
/usr/lib/libQt5Core.so.5
#21 0x00007f3b9af788ff in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/libQt5Widgets.so.5
#22 0x00007f3b9a29c168 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/libQt5Core.so.5
#23 0x00007f3b9a2a10cb in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#24 0x00007f3b9a2e7138 in  () at /usr/lib/libQt5Core.so.5
#25 0x00007f3b9830df69 in  () at /usr/lib/libglib-2.0.so.0
#26 0x00007f3b9836c327 in  () at /usr/lib/libglib-2.0.so.0
#27 0x00007f3b9830c162 in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#28 0x00007f3b9a2eaf7c in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#29 0x00007f3b9a29ae74 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#30 0x00007f3b9a29c313 in QCoreApplication::exec() () at
/usr/lib/libQt5Core.so.5
#31 0x000055e42775adb8 in  ()
#32 0x00007f3b99a45cd0 in  () at /usr/lib/libc.so.6
#33 0x00007f3b99a45d8a in __libc_start_main () at /usr/lib/libc.so.6
#34 0x000055e42775b575 in  ()
[Inferior 1 (process 21046) detached]

Reported using DrKonqi

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