https://bugs.kde.org/show_bug.cgi?id=505955
Bug ID: 505955
Summary: RKWard crashed in RKVariable::setNumericFromR when
running lines which replaced a variable set to Numeric
to Unknown
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-de...@kde.org
Reporter: matt.fagn...@bell.net
Target Milestone: ---
Application: rkward (0.8.1z+0.8.2+devel1)
ApplicationNotResponding [ANR]: false
Qt Version: 6.9.1
Frameworks Version: 6.15.0
Operating System: Linux 6.15.3-200.fc42.x86_64 x86_64
Windowing System: Wayland
Distribution: "Fedora Linux 42 (KDE Plasma Desktop Edition)"
DrKonqi: 6.4.0 [CoredumpBackend]
-- Information about the crash:
I was running a RKWard 0.8.2 pre-release version
rkward-0.8.2~pre^1.gitc45a3696-1.fc42.x86_64 in Plasma 6.4.0 on Wayland in a
Fedora 42 KDE installation. I opened a saved workspace with a data set named
bp. The data contained a variable Days which was shown as type Unknown in the
data set viewer. I changed the type of Days to 1: Numeric in the data set
viewer. I opened a R script file which has lines that calculated Days in a way
that I think created it as type Unknown again.
dates = as.Date(paste(bp$Month,bp$Day,bp$Year,sep="-"),tryFormats="%m-%d-%Y");
bp$Days = dates -dates[1]
I ran Run all the first time I saw this problem. RKWard crashed. The first time
RKWard ran drkonqi couldn't find the core dump file. A second drkonqi
notification was shown, but the full trace couldn't be created. I reproduced
the crash running each of the two lines one at a time. RKWard crashed in
RKVariable::setNumericFromR after the second line of my program. The crash was
a segmentation fault when that function was on row 0 of the data set. The
pointers in data->cell_doubles were null, but they might not have been
initialized yet.
(gdb) frame 5
#5 0x0000562fa47095a8 in RKVariable::setNumericFromR (this=0x562fdb3adde0,
to_row=65, numdata=..., from_row=0)
at
/usr/src/debug/rkward-0.8.2~pre^1.gitc45a3696-1.fc42.x86_64/rkward/core/rkvariable.cpp:583
583 data->cell_doubles[row] = numdata[i];
(gdb) p data
$1 = (RKVariable::RKVarEditData *) 0x562fdbc64220
(gdb) p data->cell_doubles
$2 = {<QListSpecialMethods<double>> = {<QListSpecialMethodsBase<double>> = {<No
data fields>}, <No data fields>}, d = {
d = 0x0, ptr = 0x0, size = 0}}
(gdb) p numdata
$3 = (const QVector &) @0x7fffdf7032a0: {<QListSpecialMethods<double>> =
{<QListSpecialMethodsBase<double>> = {<No data fields>}, <No data fields>}, d =
{d = 0x7f27c41d6e60, ptr = 0x7f27c41d6e70, size = 66}}
(gdb) p i
$4 = 0
(gdb) l
578
579 if (std::isnan(numdata[i])) {
580 data->cell_states[row] |=
RKVarEditData::NA;
581 } else {
582 data->cell_states[row] |=
RKVarEditData::Valid;
583 data->cell_doubles[row] = numdata[i];
584 }
585 ++i;
586 }
587 }
(gdb) p row
$5 = 0
This crash didn't seem to happen if I didn't change Days to Numeric in the data
set viewer before running the script lines.
The crash can be reproduced sometimes.
-- Backtrace (Reduced):
#4 0x000056119e7175a8 in RKVariable::setNumericFromR (this=0x5611b5f45080,
to_row=65, numdata=..., from_row=0) at
/usr/src/debug/rkward-0.8.2~pre^1.gitc45a3696-1.fc42.x86_64/rkward/core/rkvariable.cpp:583
#5 0x000056119e719201 in operator() (__closure=0x5611b6b80fe8,
command=<optimized out>) at
/usr/src/debug/rkward-0.8.2~pre^1.gitc45a3696-1.fc42.x86_64/rkward/core/rkvariable.cpp:240
#6 0x000056119e7264b1 in std::function<void(RCommand*)>::operator()
(this=0x5611b6b80fe8, __args#0=<optimized out>) at
/usr/include/c++/15/bits/std_function.h:593
#7 RObjectLifeTimeGuard::addCommandFinishedCallback(RCommand*,
std::function<void (RCommand*)>)::{lambda(RCommand*)#1}::operator()(RCommand*)
const (__closure=0x5611b6b80fe0, command=<optimized out>) at
/usr/src/debug/rkward-0.8.2~pre^1.gitc45a3696-1.fc42.x86_64/rkward/core/robject.cpp:47
#8 QtPrivate::FunctorCall<std::integer_sequence<unsigned long, 0ul>,
QtPrivate::List<RCommand*>, void,
RObjectLifeTimeGuard::addCommandFinishedCallback(RCommand*, std::function<void
(RCommand*)>)::{lambda(RCommand*)#1}>::call(RObjectLifeTimeGuard::addCommandFinishedCallback(RCommand*,
std::function<void (RCommand*)>)::{lambda(RCommand*)#1}&,
void**)::{lambda()#1}::operator()() const (__closure=<optimized out>) at
/usr/include/qt6/QtCore/qobjectdefs_impl.h:116
#9 QtPrivate::FunctorCallBase::call_internal<void,
QtPrivate::FunctorCall<std::integer_sequence<unsigned long, 0ul>,
QtPrivate::List<RCommand*>, void,
RObjectLifeTimeGuard::addCommandFinishedCallback(RCommand*, std::function<void
(RCommand*)>)::{lambda(RCommand*)#1}>::call(RObjectLifeTimeGuard::addCommandFinishedCallback(RCommand*,
std::function<void (RCommand*)>)::{lambda(RCommand*)#1}&,
void**)::{lambda()#1}>(void**,
QtPrivate::FunctorCall<std::integer_sequence<unsigned long, 0ul>,
QtPrivate::List<RCommand*>, void,
RObjectLifeTimeGuard::addCommandFinishedCallback(RCommand*, std::function<void
(RCommand*)>)::{lambda(RCommand*)#1}>::call(RObjectLifeTimeGuard::addCommandFinishedCallback(RCommand*,
std::function<void (RCommand*)>)::{lambda(RCommand*)#1}&,
void**)::{lambda()#1}&&) (args=<optimized out>, fn=...) at
/usr/include/qt6/QtCore/qobjectdefs_impl.h:65
#10 QtPrivate::FunctorCall<std::integer_sequence<unsigned long, 0ul>,
QtPrivate::List<RCommand*>, void,
RObjectLifeTimeGuard::addCommandFinishedCallback(RCommand*, std::function<void
(RCommand*)>)::{lambda(RCommand*)#1}>::call(RObjectLifeTimeGuard::addCommandFinishedCallback(RCommand*,
std::function<void (RCommand*)>)::{lambda(RCommand*)#1}&, void**) (f=...,
arg=<optimized out>) at /usr/include/qt6/QtCore/qobjectdefs_impl.h:115
#11
QtPrivate::FunctorCallable<RObjectLifeTimeGuard::addCommandFinishedCallback(RCommand*,
std::function<void (RCommand*)>)::{lambda(RCommand*)#1},
RCommand*>::call<QtPrivate::List<RCommand*>,
void>(RObjectLifeTimeGuard::addCommandFinishedCallback(RCommand*,
std::function<void (RCommand*)>)::{lambda(RCommand*)#1}&, void*, void**)
(f=..., arg=<optimized out>) at /usr/include/qt6/QtCore/qobjectdefs_impl.h:337
#12
QtPrivate::QCallableObject<RObjectLifeTimeGuard::addCommandFinishedCallback(RCommand*,
std::function<void (RCommand*)>)::{lambda(RCommand*)#1},
QtPrivate::List<RCommand*>, void>::impl(int, QtPrivate::QSlotObjectBase*,
QObject*, void**, bool*) (which=<optimized out>, this_=0x5611b6b80fd0,
r=<optimized out>, a=<optimized out>, ret=<optimized out>) at
/usr/include/qt6/QtCore/qobjectdefs_impl.h:547
#13 0x00007f0d36f657ba in QtPrivate::QSlotObjectBase::call
(this=0x5611b6b80fd0, r=0x5611b66f7590, a=0x7ffca321a5f0) at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobjectdefs_impl.h:461
#14 doActivate<false> (sender=0x5611b66f7590, signal_index=3,
argv=argv@entry=0x7ffca321a5f0) at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobject.cpp:4146
[...]
#17 RCommandNotifier::commandFinished (this=<optimized out>,
_t1=0x5611b72f7c90) at
/usr/src/debug/rkward-0.8.2~pre^1.gitc45a3696-1.fc42.x86_64/redhat-linux-build/rkward/rbackend/rbackend_autogen/EWIEGA46WW/moc_rcommand.cpp:138
#18 RCommandNotifier::emitFinished (this=<optimized out>,
command=0x5611b72f7c90) at
/usr/src/debug/rkward-0.8.2~pre^1.gitc45a3696-1.fc42.x86_64/rkward/rbackend/rcommand.h:81
#19 RCommand::finished (this=0x5611b72f7c90) at
/usr/src/debug/rkward-0.8.2~pre^1.gitc45a3696-1.fc42.x86_64/rkward/rbackend/rcommand.cpp:71
#21 0x000056119e751f08 in RInterface::handleRequest (this=0x5611b49f1780,
request=<optimized out>) at
/usr/src/debug/rkward-0.8.2~pre^1.gitc45a3696-1.fc42.x86_64/rkward/rbackend/rkrinterface.cpp:355
#22 0x00007f0d36f565b5 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:1461
Reported using DrKonqi
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