https://bugs.kde.org/show_bug.cgi?id=474829

            Bug ID: 474829
           Summary: digikam crashes while scanning remote (cifs mounted)
                    folder
    Classification: Applications
           Product: digikam
           Version: 8.1.0
          Platform: Fedora RPMs
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: digikam-bugs-n...@kde.org
          Reporter: thomas.pa...@gmx.de
  Target Milestone: ---

Application: digikam (8.1.0)

Qt Version: 5.15.10
Frameworks Version: 5.109.0
Operating System: Linux 6.4.15-200.fc38.x86_64 x86_64
Windowing System: X11
Distribution: "Fedora release 38 (Thirty Eight)"
DrKonqi: 5.27.8 [KCrashBackend]

-- Information about the crash:
/etc/fstab contains: 
//192.168.10.104/Fotos   /mnt/home/tpasch/mnt/fotos  cifs   
noauto,x-systemd.automount,x-systemd.device-timeout=30,x-systemd.idle-timeout=60,_netdev,user,vers=3.0,uid=1000,gid=100,forceuid,forcegid,cred=/mnt/home/tpasch/.cifscred
0       0

error/crash happens while scanning this folder

The crash can be reproduced sometimes.

-- Backtrace:
Application: digiKam (digikam), signal: Segmentation fault

[KCrash Handler]
#4  0x00007f7d7b8f70fd in QReadWriteLock::tryLockForRead(int) () at
/lib64/libQt5Core.so.5
#5  0x00007f7d7e54cce1 in Digikam::Album::childAtRow(int) const () at
/lib64/libdigikamgui.so.8.1.0
#6  0x00007f7d7e53edf4 in Digikam::AbstractAlbumModel::index(int, int,
QModelIndex const&) const () at /lib64/libdigikamgui.so.8.1.0
#7  0x00007f7d7e567739 in
Digikam::AbstractCheckableAlbumTreeView::rowsInserted(QModelIndex const&, int,
int) () at /lib64/libdigikamgui.so.8.1.0
#8  0x00007f7d7bae8608 in void doActivate<false>(QObject*, int, void**) () at
/lib64/libQt5Core.so.5
#9  0x00007f7d7ba6278a in QAbstractItemModel::rowsInserted(QModelIndex const&,
int, int, QAbstractItemModel::QPrivateSignal) () at /lib64/libQt5Core.so.5
#10 0x00007f7d7ba6b970 in QAbstractItemModel::endInsertRows() () at
/lib64/libQt5Core.so.5
#11 0x00007f7d7ba908c5 in
QSortFilterProxyModelPrivate::insert_source_items(QVector<int>&, QVector<int>&,
QVector<int> const&, QModelIndex const&, Qt::Orientation, bool) () at
/lib64/libQt5Core.so.5
#12 0x00007f7d7ba93359 in
QSortFilterProxyModelPrivate::source_items_inserted(QModelIndex const&, int,
int, Qt::Orientation) () at /lib64/libQt5Core.so.5
#13 0x00007f7d7ba960fd in
QSortFilterProxyModelPrivate::_q_sourceRowsInserted(QModelIndex const&, int,
int) () at /lib64/libQt5Core.so.5
#14 0x00007f7d7bae8608 in void doActivate<false>(QObject*, int, void**) () at
/lib64/libQt5Core.so.5
#15 0x00007f7d7ba6278a in QAbstractItemModel::rowsInserted(QModelIndex const&,
int, int, QAbstractItemModel::QPrivateSignal) () at /lib64/libQt5Core.so.5
#16 0x00007f7d7ba6b970 in QAbstractItemModel::endInsertRows() () at
/lib64/libQt5Core.so.5
#17 0x00007f7d7e53a134 in
Digikam::AbstractAlbumModel::slotAlbumAdded(Digikam::Album*) () at
/lib64/libdigikamgui.so.8.1.0
#18 0x00007f7d7bae8481 in void doActivate<false>(QObject*, int, void**) () at
/lib64/libQt5Core.so.5
#19 0x00007f7d7e542794 in
Digikam::AlbumManager::signalAlbumAdded(Digikam::Album*) () at
/lib64/libdigikamgui.so.8.1.0
#20 0x00007f7d7e57be92 in Digikam::AlbumManager::scanPAlbums() () at
/lib64/libdigikamgui.so.8.1.0
#21 0x00007f7d7bae8608 in void doActivate<false>(QObject*, int, void**) () at
/lib64/libQt5Core.so.5
#22 0x00007f7d7baeb9fd in QTimer::timeout(QTimer::QPrivateSignal) () at
/lib64/libQt5Core.so.5
#23 0x00007f7d7badecab in QObject::event(QEvent*) () at /lib64/libQt5Core.so.5
#24 0x00007f7d7c7aeb75 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /lib64/libQt5Widgets.so.5
#25 0x00007f7d7bab41a8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /lib64/libQt5Core.so.5
#26 0x00007f7d7bb05a9b in QTimerInfoList::activateTimers() () at
/lib64/libQt5Core.so.5
#27 0x00007f7d7bb06399 in timerSourceDispatch(_GSource*, int (*)(void*), void*)
() at /lib64/libQt5Core.so.5
#28 0x00007f7d79b134fc in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#29 0x00007f7d79b716b8 in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#30 0x00007f7d79b10b83 in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#31 0x00007f7d7bb06749 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#32 0x00007f7d7bab2b6b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#33 0x00007f7d7c9cd72b in QDialog::exec() () at /lib64/libQt5Widgets.so.5
#34 0x00007f7d7e772abb in Digikam::Setup::execDialog(QWidget*,
Digikam::Setup::Page) [clone .constprop.0] () at /lib64/libdigikamgui.so.8.1.0
#35 0x00007f7d7bae8608 in void doActivate<false>(QObject*, int, void**) () at
/lib64/libQt5Core.so.5
#36 0x00007f7d7c7a7d24 in QAction::triggered(bool) () at
/lib64/libQt5Widgets.so.5
#37 0x00007f7d7c7aab7b in QAction::activate(QAction::ActionEvent) () at
/lib64/libQt5Widgets.so.5
#38 0x00007f7d7c93f432 in
QMenuPrivate::activateCausedStack(QVector<QPointer<QWidget> > const&, QAction*,
QAction::ActionEvent, bool) () at /lib64/libQt5Widgets.so.5
#39 0x00007f7d7c9473c2 in QMenuPrivate::activateAction(QAction*,
QAction::ActionEvent, bool) () at /lib64/libQt5Widgets.so.5
#40 0x00007f7d7c7f3688 in QWidget::event(QEvent*) () at
/lib64/libQt5Widgets.so.5
#41 0x00007f7d7c7aeb75 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /lib64/libQt5Widgets.so.5
#42 0x00007f7d7c7b7456 in QApplication::notify(QObject*, QEvent*) () at
/lib64/libQt5Widgets.so.5
#43 0x00007f7d7bab41a8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /lib64/libQt5Core.so.5
#44 0x00007f7d7c7b56a4 in QApplicationPrivate::sendMouseEvent(QWidget*,
QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool, bool) ()
at /lib64/libQt5Widgets.so.5
#45 0x00007f7d7c80dd42 in QWidgetWindow::handleMouseEvent(QMouseEvent*) () at
/lib64/libQt5Widgets.so.5
#46 0x00007f7d7c81072f in QWidgetWindow::event(QEvent*) () at
/lib64/libQt5Widgets.so.5
#47 0x00007f7d7c7aeb75 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /lib64/libQt5Widgets.so.5
#48 0x00007f7d7bab41a8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /lib64/libQt5Core.so.5
#49 0x00007f7d7bf6cc2b in
QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*)
() at /lib64/libQt5Gui.so.5
#50 0x00007f7d7bf4acbc in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() at /lib64/libQt5Gui.so.5
#51 0x00007f7d5b6e04d6 in xcbSourceDispatch(_GSource*, int (*)(void*), void*)
() at /lib64/libQt5XcbQpa.so.5
#52 0x00007f7d79b134fc in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#53 0x00007f7d79b716b8 in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#54 0x00007f7d79b10b83 in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#55 0x00007f7d7bb06749 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#56 0x00007f7d7bab2b6b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#57 0x00007f7d7e4fb99b in
Digikam::ScanController::completeCollectionScanCore(bool, bool, bool) () at
/lib64/libdigikamgui.so.8.1.0
#58 0x00007f7d7e6290ff in Digikam::NewItemsFinder::slotStart() () at
/lib64/libdigikamgui.so.8.1.0
#59 0x00007f7d7baded2b in QObject::event(QEvent*) () at /lib64/libQt5Core.so.5
#60 0x00007f7d7c7aeb75 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /lib64/libQt5Widgets.so.5
#61 0x00007f7d7bab41a8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /lib64/libQt5Core.so.5
#62 0x00007f7d7bab7655 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () at /lib64/libQt5Core.so.5
#63 0x00007f7d7bb06c5f in postEventSourceDispatch(_GSource*, int (*)(void*),
void*) () at /lib64/libQt5Core.so.5
#64 0x00007f7d79b134fc in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#65 0x00007f7d79b716b8 in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#66 0x00007f7d79b10b83 in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#67 0x00007f7d7bb06749 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#68 0x00007f7d7bab2b6b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#69 0x00007f7d7babadfb in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#70 0x000055ef091293a8 in main ()
[Inferior 1 (process 21810) detached]

Reported using DrKonqi

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