[rkward] [Bug 507923] New: RKWard crashed when using a context menu to paste a command in the console

[Matt Fagnani]

https://bugs.kde.org/show_bug.cgi?id=507923

            Bug ID: 507923
           Summary: RKWard crashed when using a context menu to paste a
                    command in the console
    Classification: Applications
           Product: rkward
      Version First unspecified
       Reported In:
          Platform: Fedora RPMs
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: rkward-devel at kde.org
          Reporter: matt.fagnani at bell.net
  Target Milestone: ---

Application: rkward (0.8.1z+0.8.2+devel1)

ApplicationNotResponding [ANR]: false
Qt Version: 6.9.1
Frameworks Version: 6.16.0
Operating System: Linux 6.15.9-201.fc42.x86_64 x86_64
Windowing System: Wayland
Distribution: "Fedora Linux 42 (KDE Plasma Desktop Edition)"
DrKonqi: 6.4.3 [CoredumpBackend]

-- Information about the crash:
I ran the RKWard 0.8.2 pre-release rkward-0.8.2~pre^1.gitcb3c2dd3-1.fc42 which
should contain the patch for https://bugs.kde.org/show_bug.cgi?id=505955  I
created a new data set my.data with by clicking Enter new data. my.data
contained a Numeric variable var by default. I copied the line my.data$var =
as.Date("1-1-2025",tryFormats="%m-%d-%Y") from that report in Firefox. I
right-clicked in the R console, then I clicked on Paste in the context menu
(the data frame didn't need a row to be created for the crash to happen with
the Fedora build.) RKWard crashed in
std::__uniq_ptr_impl<KXMLGUIFactoryPrivate,
std::default_delete<KXMLGUIFactoryPrivate> >::_M_ptr with a trace like I
reported at https://bugs.kde.org/show_bug.cgi?id=505955#c3
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.

I reproduced the crash again as above. In another run I copied and pasted the
line x <- data.frame(1, 2) from https://bugs.kde.org/show_bug.cgi?id=505955#c4
using a context menu. RKWard crashed with the same type of trace which is the
crash I reported here with drkonqi. The problem didn't happen if I used the
Edit menu in the menu bar then selected Paste.

The crash can be reproduced every time.

-- Backtrace (Reduced):
#4  0x00007f78d950e23e 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
#5  std::unique_ptr<KXMLGUIFactoryPrivate,
std::default_delete<KXMLGUIFactoryPrivate> >::get (this=<optimized out>) at
/usr/include/c++/15/bits/unique_ptr.h:473
#6  std::unique_ptr<KXMLGUIFactoryPrivate,
std::default_delete<KXMLGUIFactoryPrivate> >::operator-> (this=<optimized out>)
at /usr/include/c++/15/bits/unique_ptr.h:466
#7  KXMLGUIFactory::container (this=0x0, containerName=...,
client=client at entry=0x55e4410186e0, useTagName=useTagName at entry=false) at
/usr/src/debug/kf6-kxmlgui-6.16.0-1.fc42.x86_64/src/kxmlguifactory.cpp:450
#8  0x000055e41a4b9d80 in TwinTable::contextMenu (this=0x55e4410185e0,
row=<optimized out>, col=<optimized out>, pos=...) at
/usr/src/debug/rkward-0.8.2~pre^1.gitcb3c2dd3-1.fc42.x86_64/rkward/dataeditor/twintable.cpp:325
#9  0x00007f78d61657ba in QtPrivate::QSlotObjectBase::call
(this=0x55e440fb07e0, r=0x55e4410185e0, a=0x7ffe5be87070) at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobjectdefs_impl.h:461
#10 doActivate<false> (sender=0x55e440f994e0, signal_index=15,
argv=argv at entry=0x7ffe5be87070) at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobject.cpp:4146
[...]
#13 TwinTableMember::contextMenuRequest (this=<optimized out>, _t1=<optimized
out>, _t2=<optimized out>, _t3=...) at
/usr/src/debug/rkward-0.8.2~pre^1.gitcb3c2dd3-1.fc42.x86_64/redhat-linux-build/rkward/dataeditor/dataeditor_autogen/EWIEGA46WW/moc_twintablemember.cpp:162
#14 TwinTableMember::handleContextMenuRequest (this=0x55e440f994e0, pos=...) at
/usr/src/debug/rkward-0.8.2~pre^1.gitcb3c2dd3-1.fc42.x86_64/rkward/dataeditor/twintablemember.cpp:160
#15 0x00007f78d61657ba in QtPrivate::QSlotObjectBase::call
(this=0x55e440fb0260, r=0x55e440f994e0, a=0x7ffe5be871b0) at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobjectdefs_impl.h:461
#16 doActivate<false> (sender=0x55e440f994e0, signal_index=6,
argv=argv at entry=0x7ffe5be871b0) at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobject.cpp:4146
[...]
#19 QWidget::customContextMenuRequested (this=this at entry=0x55e440f994e0,
_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
#20 0x00007f78d86a79c2 in QWidget::event (this=this at entry=0x55e440f994e0,
event=event at entry=0x7ffe5be87640) at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/widgets/kernel/qwidget.cpp:9174
#21 0x00007f78d87010f6 in QFrame::event (this=0x55e440f994e0, e=0x7ffe5be87640)
at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/widgets/widgets/qframe.cpp:521
#22 0x00007f78d60f9caa in
QCoreApplicationPrivate::sendThroughObjectEventFilters
(receiver=receiver at entry=0x55e440f9b770, event=event at entry=0x7ffe5be87640) at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qcoreapplication.cpp:1243
#23 0x00007f78d863d96f in QApplicationPrivate::notify_helper
(this=this at entry=0x55e43f00ca30, receiver=receiver at entry=0x55e440f9b770,
e=e at entry=0x7ffe5be87640) at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/widgets/kernel/qapplication.cpp:3297


Reported using DrKonqi

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