[dolphin] [Bug 428384] Dolphin displays duplicate files and then crashes in KFileItemModel::refreshDirectory() when refreshing sftp-folder

[Martin Schnitkemper]

https://bugs.kde.org/show_bug.cgi?id=428384

Martin Schnitkemper <martin.schnitkemper at nexgo.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |martin.schnitkemper at nexgo.d
                   |                            |e

--- Comment #5 from Martin Schnitkemper <martin.schnitkemper at nexgo.de> ---
I can confirm that behaviour, it happen to me also on a local folder.  When I
am scrolling up an down a folder with a larger amount of files or subfolders,
suddenly some entries appear double.  After refesh, Dolphin crashes. 

Systeminformation:
=================
Operating System: Arch Linux
KDE Plasma Version: 5.21.4
KDE Frameworks Version: 5.80.0
Qt Version: 5.15.2
Kernel Version: 5.11.12-arch1-1
OS Type: 64-bit
Graphics Platform: X11

Application:
===========
dolphin 20.12.3

Backtrace:
=========
#0  0x00007f575284def5 in raise () from /usr/lib/libc.so.6
#1  0x00007f5752166189 in KCrash::defaultCrashHandler(int) () from
/usr/lib/libKF5Crash.so.5
#2  <signal handler called>
#3  0x00007f575284def5 in raise () from /usr/lib/libc.so.6
#4  0x00007f5752837862 in abort () from /usr/lib/libc.so.6
#5  0x00007f575288ff38 in __libc_message () from /usr/lib/libc.so.6
#6  0x00007f5752897bea in malloc_printerr () from /usr/lib/libc.so.6
#7  0x00007f5752898fcc in _int_free () from /usr/lib/libc.so.6
#8  0x00007f575289cca8 in free () from /usr/lib/libc.so.6
#9  0x00007f57506d6018 in QHashData::free_helper(void (*)(QHashData::Node*)) ()
from /usr/lib/libQt5Core.so.5
#10 0x00007f575274a2f6 in KFileItemModel::ItemData::~ItemData
(this=0x559567c31120, __in_chrg=<optimized out>) at
/usr/src/debug/dolphin-20.12.3/src/kitemviews/kfileitemmodel.h:285
#11 qDeleteAll<QList<KFileItemModel::ItemData*>::const_iterator> (end=...,
begin=...) at /usr/include/qt/QtCore/qalgorithms.h:320
#12 qDeleteAll<QList<KFileItemModel::ItemData*> > (c=...) at
/usr/include/qt/QtCore/qalgorithms.h:328
#13 KFileItemModel::slotClear (this=0x559566e79de0) at
/usr/src/debug/dolphin-20.12.3/src/kitemviews/kfileitemmodel.cpp:1147
#14 0x00007f57508ba9d6 in ?? () from /usr/lib/libQt5Core.so.5
#15 0x00007f575226326b in ?? () from /usr/lib/libKF5KIOCore.so.5
#16 0x00007f5752263a72 in ?? () from /usr/lib/libKF5KIOCore.so.5
#17 0x00007f5752755a53 in KFileItemModel::refreshDirectory
(this=0x559566e79de0, url=...) at
/usr/src/debug/dolphin-20.12.3/src/kitemviews/kfileitemmodel.cpp:123
#18 0x00007f57527b2022 in DolphinView::reload (this=0x559566c239d0) at
/usr/src/debug/dolphin-20.12.3/src/views/dolphinview.cpp:453
#19 0x00007f5752a3f65e in DolphinViewContainer::reload (this=0x559566e97ef0) at
/usr/src/debug/dolphin-20.12.3/src/dolphinviewcontainer.cpp:448
#20 0x00007f5752a29021 in DolphinMainWindow::reloadView (this=0x559566a92070)
at /usr/src/debug/dolphin-20.12.3/src/dolphinmainwindow.cpp:830
#21 0x00007f57508ba9d6 in ?? () from /usr/lib/libQt5Core.so.5
#22 0x00007f5751346f73 in QAction::triggered(bool) () from
/usr/lib/libQt5Widgets.so.5
#23 0x00007f5751349855 in QAction::activate(QAction::ActionEvent) () from
/usr/lib/libQt5Widgets.so.5
#24 0x00007f5751441232 in ?? () from /usr/lib/libQt5Widgets.so.5
#25 0x00007f5751441353 in QAbstractButton::mouseReleaseEvent(QMouseEvent*) ()
from /usr/lib/libQt5Widgets.so.5
#26 0x00007f575153637b in QToolButton::mouseReleaseEvent(QMouseEvent*) () from
/usr/lib/libQt5Widgets.so.5
#27 0x00007f575138ebde in QWidget::event(QEvent*) () from
/usr/lib/libQt5Widgets.so.5
#28 0x00007f575134d762 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/libQt5Widgets.so.5
#29 0x00007f575135488b in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/libQt5Widgets.so.5
#30 0x00007f575088362a in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib/libQt5Core.so.5
#31 0x00007f575135388e in QApplicationPrivate::sendMouseEvent(QWidget*,
QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool, bool) ()
from /usr/lib/libQt5Widgets.so.5
#32 0x00007f57513a7319 in ?? () from /usr/lib/libQt5Widgets.so.5
#33 0x00007f57513aa70f in ?? () from /usr/lib/libQt5Widgets.so.5
#34 0x00007f575134d762 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/libQt5Widgets.so.5
#35 0x00007f575088362a in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib/libQt5Core.so.5
#36 0x00007f5750c5e724 in
QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*)
() from /usr/lib/libQt5Gui.so.5
#37 0x00007f5750c33bc5 in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() from /usr/lib/libQt5Gui.so.5
#38 0x00007f574b0a519c in ?? () from /usr/lib/libQt5XcbQpa.so.5
#39 0x00007f574e6bc02c in g_main_context_dispatch () from
/usr/lib/libglib-2.0.so.0
#40 0x00007f574e70fb59 in ?? () from /usr/lib/libglib-2.0.so.0
#41 0x00007f574e6b9781 in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#42 0x00007f57508dc1a1 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt5Core.so.5
#43 0x00007f5750881f8c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt5Core.so.5
#44 0x00007f575088a444 in QCoreApplication::exec() () from
/usr/lib/libQt5Core.so.5
#45 0x00007f5752a27ebe in kdemain (argc=<optimized out>, argv=<optimized out>)
at /usr/src/debug/dolphin-20.12.3/src/main.cpp:222
#46 0x00007f5752838b25 in __libc_start_main () from /usr/lib/libc.so.6
#47 0x00005595650b605e in _start ()

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