Bug 50955

Unfortunately your report doesn't containt any hint where to search or how to 
reproduce the bug. 

I have got the same signal 11 SIGSEGV problem:

(no debugging symbols found)...[New Thread 8192 (LWP 7616)]
0x420ae169 in wait4 () from /lib/i686/libc.so.6
#0  0x420ae169 in wait4 () from /lib/i686/libc.so.6
#1  0x4212a2d0 in __DTOR_END__ () from /lib/i686/libc.so.6
#2  0x40e16c63 in waitpid () from /lib/i686/libpthread.so.0
#3  0x40627bb5 in KCrash::defaultCrashHandler(int) ()
   from /usr/lib/libkdecore.so.4
#4  <signal handler called>
#5  0x4028a0be in KApplicationTree::addDesktopGroup(QString, KAppTreeListItem*)
    () from /usr/lib/libkio.so.4
#6  0x40289fb6 in KApplicationTree::KApplicationTree(QWidget*) ()
   from /usr/lib/libkio.so.4
#7  0x4028c258 in KOpenWithDlg::init(QString const&, QString const&) ()
   from /usr/lib/libkio.so.4
#8  0x4028b5a9 in KOpenWithDlg::KOpenWithDlg(KURL::List const&, QString const&,
QString const&, QWidget*) () from /usr/lib/libkio.so.4
#9  0x4020946d in KRun::displayOpenWithDialog(KURL::List const&) ()
   from /usr/lib/libkio.so.4
#10 0x41309e44 in KonqPopupMenu::slotPopupOpenWith() ()
   from /usr/lib/libkonq.so.4
#11 0x4130b3ae in KonqPopupMenu::qt_invoke(int, QUObject*) ()
   from /usr/lib/libkonq.so.4
#12 0x408e9d6b in QObject::activate_signal(QConnectionList*, QUObject*) ()
   from /usr/lib/qt-3.0.5/lib/libqt-mt.so.3
#13 0x408e9c57 in QObject::activate_signal(int) ()
   from /usr/lib/qt-3.0.5/lib/libqt-mt.so.3
#14 0x403e169b in KAction::activated() () from /usr/lib/libkdeui.so.4
#15 0x403d47bf in KAction::slotActivated() () from /usr/lib/libkdeui.so.4
#16 0x403e1892 in KAction::qt_invoke(int, QUObject*) ()
   from /usr/lib/libkdeui.so.4
#17 0x408e9d6b in QObject::activate_signal(QConnectionList*, QUObject*) ()
   from /usr/lib/qt-3.0.5/lib/libqt-mt.so.3
#18 0x40bb09f2 in QSignal::signal(QVariant const&) ()
   from /usr/lib/qt-3.0.5/lib/libqt-mt.so.3
#19 0x40903298 in QSignal::activate() ()
   from /usr/lib/qt-3.0.5/lib/libqt-mt.so.3
#20 0x409d4ef3 in QPopupMenu::mouseReleaseEvent(QMouseEvent*) ()
   from /usr/lib/qt-3.0.5/lib/libqt-mt.so.3
#21 0x4091e36c in QWidget::event(QEvent*) ()
   from /usr/lib/qt-3.0.5/lib/libqt-mt.so.3
#22 0x40895c49 in QApplication::internalNotify(QObject*, QEvent*) ()
   from /usr/lib/qt-3.0.5/lib/libqt-mt.so.3
#23 0x40895363 in QApplication::notify(QObject*, QEvent*) ()
   from /usr/lib/qt-3.0.5/lib/libqt-mt.so.3
#24 0x405bd9a6 in KApplication::notify(QObject*, QEvent*) ()
   from /usr/lib/libkdecore.so.4
#25 0x40839676 in QETWidget::translateMouseEvent(_XEvent const*) ()
   from /usr/lib/qt-3.0.5/lib/libqt-mt.so.3
#26 0x408369b6 in QApplication::x11ProcessEvent(_XEvent*) ()
   from /usr/lib/qt-3.0.5/lib/libqt-mt.so.3
#27 0x4083652f in QApplication::processNextEvent(bool) ()
   from /usr/lib/qt-3.0.5/lib/libqt-mt.so.3
#28 0x40897280 in QApplication::enter_loop() ()
   from /usr/lib/qt-3.0.5/lib/libqt-mt.so.3
#29 0x409d79b6 in QPopupMenu::exec(QPoint const&, int) ()
   from /usr/lib/qt-3.0.5/lib/libqt-mt.so.3
#30 0x4129039f in KonqMainWindow::slotPopupMenu(KXMLGUIClient*, QPoint const&,
QPtrList<KFileItem> const&, bool) () from /usr/lib/konqueror.so
#31 0x4128fdfc in KonqMainWindow::slotPopupMenu(KXMLGUIClient*, QPoint const&,
QPtrList<KFileItem> const&) () from /usr/lib/konqueror.so
#32 0x4128fdb5 in KonqMainWindow::slotPopupMenu(QPoint const&,
QPtrList<KFileItem> const&) () from /usr/lib/konqueror.so
#33 0x41295316 in KonqMainWindow::qt_invoke(int, QUObject*) ()
   from /usr/lib/konqueror.so
#34 0x408e9d6b in QObject::activate_signal(QConnectionList*, QUObject*) ()
   from /usr/lib/qt-3.0.5/lib/libqt-mt.so.3
#35 0x400869a7 in KParts::BrowserExtension::popupMenu(QPoint const&,
QPtrList<KFileItem> const&) () from /usr/lib/libkparts.so.2
#36 0x416893c2 in KonqBaseListViewWidget::popupMenu(QPoint const&, bool) ()
   from /usr/lib/kde3/konq_listview.so
#37 0x416891b6 in KonqBaseListViewWidget::slotRightButtonPressed(QListViewItem*,
QPoint const&, int) () from /usr/lib/kde3/konq_listview.so
#38 0x4168af47 in KonqBaseListViewWidget::qt_invoke(int, QUObject*) ()
   from /usr/lib/kde3/konq_listview.so
#39 0x4168ce74 in KonqTreeViewWidget::qt_invoke(int, QUObject*) ()
   from /usr/lib/kde3/konq_listview.so
#40 0x408e9d10 in QObject::activate_signal(QConnectionList*, QUObject*) ()
   from /usr/lib/qt-3.0.5/lib/libqt-mt.so.3
#41 0x40bc1913 in QListView::rightButtonPressed(QListViewItem*, QPoint const&,
int) () from /usr/lib/qt-3.0.5/lib/libqt-mt.so.3
#42 0x409b5af4 in QListView::contentsMousePressEventEx(QMouseEvent*) ()
   from /usr/lib/qt-3.0.5/lib/libqt-mt.so.3
#43 0x409b54a6 in QListView::contentsMousePressEvent(QMouseEvent*) ()
   from /usr/lib/qt-3.0.5/lib/libqt-mt.so.3
#44 0x403fd57c in KListView::contentsMousePressEvent(QMouseEvent*) ()
   from /usr/lib/libkdeui.so.4
#45 0x41687270 in KonqBaseListViewWidget::contentsMousePressEvent(QMouseEvent*)
    () from /usr/lib/kde3/konq_listview.so
#46 0x409e2f99 in QScrollView::viewportMousePressEvent(QMouseEvent*) ()
   from /usr/lib/qt-3.0.5/lib/libqt-mt.so.3
#47 0x409e2905 in QScrollView::eventFilter(QObject*, QEvent*) ()
   from /usr/lib/qt-3.0.5/lib/libqt-mt.so.3
#48 0x409b4edc in QListView::eventFilter(QObject*, QEvent*) ()
   from /usr/lib/qt-3.0.5/lib/libqt-mt.so.3
#49 0x408e7e5e in QObject::activate_filters(QEvent*) ()
   from /usr/lib/qt-3.0.5/lib/libqt-mt.so.3
#50 0x408e7d81 in QObject::event(QEvent*) ()
   from /usr/lib/qt-3.0.5/lib/libqt-mt.so.3
#51 0x4091e2ec in QWidget::event(QEvent*) ()
   from /usr/lib/qt-3.0.5/lib/libqt-mt.so.3
#52 0x40895c49 in QApplication::internalNotify(QObject*, QEvent*) ()
   from /usr/lib/qt-3.0.5/lib/libqt-mt.so.3
#53 0x40895363 in QApplication::notify(QObject*, QEvent*) ()
   from /usr/lib/qt-3.0.5/lib/libqt-mt.so.3
#54 0x405bd9a6 in KApplication::notify(QObject*, QEvent*) ()
   from /usr/lib/libkdecore.so.4
#55 0x40839b46 in QETWidget::translateMouseEvent(_XEvent const*) ()
   from /usr/lib/qt-3.0.5/lib/libqt-mt.so.3
#56 0x408369b6 in QApplication::x11ProcessEvent(_XEvent*) ()
   from /usr/lib/qt-3.0.5/lib/libqt-mt.so.3
#57 0x4083652f in QApplication::processNextEvent(bool) ()
   from /usr/lib/qt-3.0.5/lib/libqt-mt.so.3
#58 0x40897280 in QApplication::enter_loop() ()
   from /usr/lib/qt-3.0.5/lib/libqt-mt.so.3
#59 0x4083602d in QApplication::exec() ()
   from /usr/lib/qt-3.0.5/lib/libqt-mt.so.3
#60 0x41275697 in main () from /usr/lib/konqueror.so
#61 0x0804cab8 in launch(int, char const*, char const*, char const*, int, char
const*, bool, char const*, bool, char const*) ()
#62 0x0804d7db in handle_launcher_request(int) ()
#63 0x0804dc9c in handle_requests(int) ()
#64 0x0804ea0a in main ()
#65 0x420158d4 in __libc_start_main () from /lib/i686/libc.so.6


The crashing is reproducable.

Hope that helps

Addi
addi@abel.co.uk

Git commit dfac743c6e8894ea8383ee5be939d9e87283d8e5 by Thomas Friedrichsmeier.
Committed on 10/07/2025 at 17:06.
Pushed by tfry into branch 'master'.

Fix crash when type of edited column gets changed to an unknown type

M  +10   -1    rkward/autotests/core_test.cpp
M  +5    -2    rkward/core/rkvariable.cpp

https://invent.kde.org/education/rkward/-/commit/dfac743c6e8894ea8383ee5be939d9e87283d8e5

Created attachment 183140 [details]
attachment-156619-0.html

konsole?

On Thu, Jul 10, 2025 at 7:08 PM Thomas Friedrichsmeier <
bugzilla_noreply@kde.org> wrote:

> https://bugs.kde.org/show_bug.cgi?id=50955
>
> --- Comment #3 from Thomas Friedrichsmeier <
> thomas.friedrichsmeier@kdemail.net> ---
> Git commit dfac743c6e8894ea8383ee5be939d9e87283d8e5 by Thomas
> Friedrichsmeier.
> Committed on 10/07/2025 at 17:06.
> Pushed by tfry into branch 'master'.
>
> Fix crash when type of edited column gets changed to an unknown type
>
> M  +10   -1    rkward/autotests/core_test.cpp
> M  +5    -2    rkward/core/rkvariable.cpp
>
>
> https://invent.kde.org/education/rkward/-/commit/dfac743c6e8894ea8383ee5be939d9e87283d8e5
>
> --
> You are receiving this mail because:
> You are the assignee for the bug.

Sorry, mistyped bug number in the commit. Please ignore comment #3 .