[rkward] [Bug 505955] RKWard crashed in RKVariable::setNumericFromR when running lines which replaced a variable set to Numeric to Unknown

Wed Jun 25 06:40:29 BST 2025

https://bugs.kde.org/show_bug.cgi?id=505955

--- Comment #3 from Matt Fagnani <matt.fagnani at bell.net> ---
(In reply to Thomas Friedrichsmeier from comment #2)
> Thanks for reporting. RKWard is not currently able to handle dates in the
> built-in data editor/viewer, and that is certainly one of the more
> embarrassing omissions, in the first place. But of course, even then it
> should not crash. I'll look into this ASAP.

OK, I see. Thanks. When I ran bp$Days = as.numeric(dates -dates[1]) , the
problem didn't happen. The problem seemed to be due to assigning a Date object
to a numeric variable.

I reproduced the problem in a simpler way by creating a new workspace and data
set my.data, creating a new row with var=1 as Numeric, then running my.data$var
= as.Date("1-1-2025",tryFormats="%m-%d-%Y")
The first time I tried this, the crash had the same sort of trace, but the
second time, the trace was different. KXMLGUIFactory::container had this=0x0,
which might've resulted in a null pointer dereference in
std::__uniq_ptr_impl<KXMLGUIFactoryPrivate,
std::default_delete<KXMLGUIFactoryPrivate> >::_M_ptr. The trace referred to a
context menu such as in TwinTable::contextMenu, and I did use a context menu to
copy the line from a script file to the R console before changing it. I'm not
sure if this is the same problem.

(gdb) bt
#0  __pthread_kill_implementation (threadid=<optimized out>,
signo=signo at entry=11, no_tid=no_tid at entry=0)
    at pthread_kill.c:44
#1  0x00007fc1d687c1e3 in __pthread_kill_internal (threadid=<optimized out>,
signo=11) at pthread_kill.c:89
#2  0x00007fc1d6822afe in __GI_raise (sig=11) at ../sysdeps/posix/raise.c:26
#3  0x00007fc1e4f9e533 in KCrash::defaultCrashHandler(int) () at
/lib64/libKF6Crash.so.6
#4  0x00007fc1d6822c30 in <signal handler called> () at /lib64/libc.so.6
#5  0x00007fc1d898f1be in std::__uniq_ptr_impl<KXMLGUIFactoryPrivate,
std::default_delete<KXMLGUIFactoryPrivate> >::_M_ptr (this=<optimized out>) at
/usr/include/c++/15/bits/unique_ptr.h:193
#6  std::unique_ptr<KXMLGUIFactoryPrivate,
std::default_delete<KXMLGUIFactoryPrivate> >::get (this=<optimized out>)
    at /usr/include/c++/15/bits/unique_ptr.h:473
#7  std::unique_ptr<KXMLGUIFactoryPrivate,
std::default_delete<KXMLGUIFactoryPrivate> >::operator->
    (this=<optimized out>) at /usr/include/c++/15/bits/unique_ptr.h:466
#8  KXMLGUIFactory::container
    (this=0x0, containerName=..., client=client at entry=0x55620da95180,
useTagName=useTagName at entry=false)
    at
/usr/src/debug/kf6-kxmlgui-6.15.0-1.fc42.x86_64/src/kxmlguifactory.cpp:450
#9  0x00005561e42d0c90 in TwinTable::contextMenu
    (this=0x55620da95080, row=<optimized out>, col=<optimized out>, pos=...)
    at
/usr/src/debug/rkward-0.8.2~pre^1.gitc45a3696-1.fc42.x86_64/rkward/dataeditor/twintable.cpp:325
#10 0x00007fc1d57657ba in QtPrivate::QSlotObjectBase::call
(this=0x55620daa6c50, r=0x55620da95080, a=0x7ffe187352f0)
    at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobjectdefs_impl.h:461
#11 doActivate<false> (sender=0x7fc1b000b0b0, signal_index=15,
argv=argv at entry=0x7ffe187352f0)
    at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobject.cpp:4146
#12 0x00007fc1d575c089 in QMetaObject::activate
    (sender=sender at entry=0x7fc1b000b0b0, m=<optimized out>,
local_signal_index=local_signal_index at entry=0, argv=argv at entry=0x7ffe187352f0)
at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobject.cpp:4206
#13 0x00005561e42d8fa6 in QMetaObject::activate<void, int, int, QPoint>
    (sender=<optimized out>, mo=<optimized out>, local_signal_index=<optimized
out>, ret=<optimized out>)
--Type <RET> for more, q to quit, c to continue without paging--c
    at /usr/include/qt6/QtCore/qobjectdefs.h:306
#14 TwinTableMember::contextMenuRequest
    (this=<optimized out>, _t1=<optimized out>, _t2=<optimized out>,
_t3=<optimized out>)
    at
/usr/src/debug/rkward-0.8.2~pre^1.gitc45a3696-1.fc42.x86_64/redhat-linux-build/rkward/dataeditor/dataeditor_autogen/EWIEGA46WW/moc_twintablemember.cpp:162
#15 TwinTableMember::handleContextMenuRequest (this=0x7fc1b000b0b0, pos=...)
    at
/usr/src/debug/rkward-0.8.2~pre^1.gitc45a3696-1.fc42.x86_64/rkward/dataeditor/twintablemember.cpp:160
#16 0x00007fc1d57657ba in QtPrivate::QSlotObjectBase::call
(this=0x55620da86c60, r=0x7fc1b000b0b0, a=0x7ffe18735430)
    at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobjectdefs_impl.h:461
#17 doActivate<false> (sender=0x7fc1b000b0b0, signal_index=6,
argv=argv at entry=0x7ffe18735430)
    at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobject.cpp:4146
#18 0x00007fc1d575c089 in QMetaObject::activate
    (sender=sender at entry=0x7fc1b000b0b0, m=m at entry=0x7fc1d83a31c0,
local_signal_index=local_signal_index at entry=3, argv=argv at entry=0x7ffe18735430)
at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobject.cpp:4206
#19 0x00007fc1d7c83632 in QMetaObject::activate<void, QPoint>
    (sender=0x7fc1b000b0b0, mo=0x7fc1d83a31c0, local_signal_index=3, ret=0x0)
    at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobjectdefs.h:306
#20 QWidget::customContextMenuRequested (this=this at entry=0x7fc1b000b0b0,
_t1=...)
    at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/redhat-linux-build/src/widgets/Widgets_autogen/include/moc_qwidget.cpp:603
#21 0x00007fc1d7ca79c2 in QWidget::event (this=this at entry=0x7fc1b000b0b0,
event=event at entry=0x7ffe187358c0)
    at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/widgets/kernel/qwidget.cpp:9174
#22 0x00007fc1d7d010f6 in QFrame::event (this=0x7fc1b000b0b0, e=0x7ffe187358c0)
    at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/widgets/widgets/qframe.cpp:521
#23 0x00007fc1d56f9caa in
QCoreApplicationPrivate::sendThroughObjectEventFilters
    (receiver=receiver at entry=0x55620da6fde0, event=event at entry=0x7ffe187358c0)
    at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qcoreapplication.cpp:1243
#24 0x00007fc1d7c3d96f in QApplicationPrivate::notify_helper
    (this=this at entry=0x55620b5264b0, receiver=receiver at entry=0x55620da6fde0,
e=e at entry=0x7ffe187358c0)
    at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/widgets/kernel/qapplication.cpp:3297
#25 0x00007fc1d7c494cb in QApplication::notify (this=<optimized out>,
receiver=<optimized out>, e=0x7ffe187358c0)
    at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/widgets/kernel/qapplication.cpp:2921
#26 0x00007fc1d56f9f38 in QCoreApplication::notifyInternal2
(receiver=0x55620da6fde0, event=0x7ffe187358c0)
    at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qcoreapplication.cpp:1106
#27 0x00007fc1d56f9f6a in QCoreApplication::forwardEvent
    (receiver=<optimized out>, event=<optimized out>,
originatingEvent=<optimized out>)
    at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qcoreapplication.cpp:1121
#28 0x00007fc1d7cbebed in QWidgetWindow::handleContextMenuEvent
(this=<optimized out>, e=0x7ffe18735b00)
    at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/widgets/kernel/qwidgetwindow.cpp:1221
#29 0x00007fc1d7cbeff0 in QWidgetWindow::event (this=<optimized out>,
event=<optimized out>)
    at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/widgets/kernel/qwidgetwindow.cpp:369
#30 0x00007fc1d7c3d97f in QApplicationPrivate::notify_helper
    (this=<optimized out>, receiver=0x55620ba0de50, e=0x7ffe18735b00)
    at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/widgets/kernel/qapplication.cpp:3303
#31 0x00007fc1d56f9f38 in QCoreApplication::notifyInternal2
(receiver=0x55620ba0de50, event=0x7ffe18735b00)
    at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qcoreapplication.cpp:1106
#32 0x00007fc1d56f9f6a in QCoreApplication::forwardEvent
    (receiver=<optimized out>, event=<optimized out>,
originatingEvent=<optimized out>)
    at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qcoreapplication.cpp:1121
#33 0x00007fc1d5f588a4 in QWindowPrivate::maybeSynthesizeContextMenuEvent
(this=<optimized out>, event=<optimized out>)
    at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/gui/kernel/qwindow_p.h:35
#34 QWindowPrivate::maybeSynthesizeContextMenuEvent (this=<optimized out>,
event=<optimized out>)
    at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/gui/kernel/qwindow.cpp:2802
#35 0x00007fc1d7cbc402 in QWidgetWindow::handleMouseEvent (this=0x55620ba0de50,
event=0x7ffe18735ed0)
    at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/widgets/kernel/qwidgetwindow.cpp:683
#36 0x00007fc1d7cbeeb3 in QWidgetWindow::event (this=<optimized out>,
event=<optimized out>)
    at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/widgets/kernel/qwidgetwindow.cpp:292
#37 0x00007fc1d7c3d97f in QApplicationPrivate::notify_helper
    (this=<optimized out>, receiver=0x55620ba0de50, e=0x7ffe18735ed0)
    at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/widgets/kernel/qapplication.cpp:3303
#38 0x00007fc1d56f9f38 in QCoreApplication::notifyInternal2
(receiver=0x55620ba0de50, event=0x7ffe18735ed0)
    at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qcoreapplication.cpp:1106
#39 0x00007fc1d56fa1ad in QCoreApplication::sendSpontaneousEvent
(receiver=<optimized out>, event=<optimized out>)
    at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qcoreapplication.cpp:1560
#40 0x00007fc1d5ef22a9 in QGuiApplicationPrivate::processMouseEvent
(e=0x7fc1a4008780)
    at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/gui/kernel/qguiapplication.cpp:2476
#41 0x00007fc1d5f5c76c in QWindowSystemInterface::sendWindowSystemEvents
(flags=flags at entry=...)
    at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/gui/kernel/qwindowsysteminterface.cpp:1113
#42 0x00007fc1d5f5c988 in QWindowSystemInterface::flushWindowSystemEvents
(flags=...)
    at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/gui/kernel/qwindowsysteminterface.cpp:1082
#43 0x00007fc1d575662c in QObject::event (this=<optimized out>, e=<optimized
out>)
    at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobject.cpp:1431
#44 0x00007fc1d7c3d97f in QApplicationPrivate::notify_helper
    (this=<optimized out>, receiver=0x55620b5727c0, e=0x7fc1ac003bc0)
    at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/widgets/kernel/qapplication.cpp:3303
#45 0x00007fc1d56f9f38 in QCoreApplication::notifyInternal2
(receiver=0x55620b5727c0, event=0x7fc1ac003bc0)
    at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qcoreapplication.cpp:1106
#46 0x00007fc1d56fa19d in QCoreApplication::sendEvent (receiver=<optimized
out>, event=<optimized out>)
    at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qcoreapplication.cpp:1546
#47 0x00007fc1d56fdd26 in QCoreApplicationPrivate::sendPostedEvents
(receiver=0x0, event_type=0, data=0x55620b557e00)
    at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qcoreapplication.cpp:1879
#48 0x00007fc1d5a1016f in postEventSourceDispatch (s=0x55620b56dfc0)
    at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qeventdispatcher_glib.cpp:246
#49 0x00007fc1d40e9880 in g_main_dispatch (context=0x7fc1b0000f00) at
../glib/gmain.c:3398
#50 g_main_context_dispatch_unlocked (context=0x7fc1b0000f00) at
../glib/gmain.c:4249
#51 0x00007fc1d40f27a8 in g_main_context_iterate_unlocked
    (context=context at entry=0x7fc1b0000f00, block=block at entry=1,
dispatch=dispatch at entry=1, self=<optimized out>)
    at ../glib/gmain.c:4314
#52 0x00007fc1d40f2953 in g_main_context_iteration (context=0x7fc1b0000f00,
may_block=1) at ../glib/gmain.c:4379
#53 0x00007fc1d5a0f9ad in QEventDispatcherGlib::processEvents
(this=0x55620b505800, flags=...)
    at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qeventdispatcher_glib.cpp:399
#54 0x00007fc1d5707b03 in QEventLoop::exec (this=this at entry=0x7ffe18736550,
flags=..., flags at entry=...)
    at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/global/qflags.h:77
#55 0x00007fc1d5703419 in QCoreApplication::exec ()
    at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qcoreapplication.cpp:1449
#56 0x00007fc1d5eddbad in QGuiApplication::exec ()
    at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/gui/kernel/qguiapplication.cpp:1986
#57 0x00007fc1d7c3d8e9 in QApplication::exec ()
    at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/widgets/kernel/qapplication.cpp:2570
#58 0x00005561e413ddce in main (argc=<optimized out>, argv=<optimized out>)
    at
/usr/src/debug/rkward-0.8.2~pre^1.gitc45a3696-1.fc42.x86_64/rkward/main.cpp:294

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