[okular] [Bug 478213] New: Okular crashes when en- or disabling SmartyPans formatting (markdown)

Thu Dec 7 14:51:37 GMT 2023

https://bugs.kde.org/show_bug.cgi?id=478213

            Bug ID: 478213
           Summary: Okular crashes when en- or disabling SmartyPans
                    formatting (markdown)
    Classification: Applications
           Product: okular
           Version: 23.08.3
          Platform: Other
                OS: Linux
            Status: REPORTED
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: okular-devel at kde.org
          Reporter: postix at posteo.eu
  Target Milestone: ---

SUMMARY

Okular crashes when en- or disabling SmartyPans formatting (markdown). 

STEPS TO REPRODUCE
1. Open Okular
2. Open a PDF (LaTeX)
3. Go to Configure Display Backends -> Markdown
4. Activate SmartyPants formatting

OBSERVED RESULT

gdb bt

```
#0  0x00007f0d0d4832fd in __GI_rewind (fp=0x0) at rewind.c:34
#1  0x00007f0ccc1cf318 in Markdown::Converter::convertOpenFile()
(this=this at entry=0x557af7b33580) at
/usr/src/debug/okular-23.08.3/generators/markdown/converter.cpp:80
#2  0x00007f0ccc1cfaad in Markdown::Converter::convertAgain()
(this=0x557af7b33580) at
/usr/src/debug/okular-23.08.3/generators/markdown/converter.cpp:75
#3  MarkdownGenerator::reparseConfig() (this=0x557af76a9660) at
/usr/src/debug/okular-23.08.3/generators/markdown/generator_md.cpp:41
#4  0x00007f0cf3f85fea in Okular::DocumentPrivate::slotGeneratorConfigChanged()
(this=0x557af72df3e0) at /usr/src/debug/okular-23.08.3/core/document.cpp:1567
#5  Okular::DocumentPrivate::slotGeneratorConfigChanged() (this=0x557af72df3e0)
at /usr/src/debug/okular-23.08.3/core/document.cpp:1555
#6  operator() (__closure=<optimized out>) at
/usr/src/debug/okular-23.08.3/core/document.cpp:4724
#7  QtPrivate::FunctorCall<QtPrivate::IndexesList<>, QtPrivate::List<>, void,
Okular::Document::fillConfigDialog(KConfigDialog*)::<lambda()> >::call
(arg=<optimized out>, f=<optimized out>) at
/usr/include/qt5/QtCore/qobjectdefs_impl.h:146
#8 
QtPrivate::Functor<Okular::Document::fillConfigDialog(KConfigDialog*)::<lambda()>,
0>::call<QtPrivate::List<>, void> (arg=<optimized out>, f=<optimized out>) at
/usr/include/qt5/QtCore/qobjectdefs_impl.h:256
#9 
QtPrivate::QFunctorSlotObject<Okular::Document::fillConfigDialog(KConfigDialog*)::<lambda()>,
0, QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase *, QObject *,
void **, bool *)
    (which=<optimized out>, this_=<optimized out>, r=<optimized out>,
a=<optimized out>, ret=<optimized out>) at
/usr/include/qt5/QtCore/qobjectdefs_impl.h:443
#10 0x00007f0d0df25442 in QtPrivate::QSlotObjectBase::call(QObject*, void**)
(a=0x7ffcfaf1b170, r=0x557af7369780, this=0x557af7ac8350) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#11 doActivate<false>(QObject*, int, void**) (sender=0x557af793c270,
signal_index=13, argv=0x7ffcfaf1b170) at kernel/qobject.cpp:3925
#12 0x00007f0d0df1e0af in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) (sender=sender at entry=0x557af793c270, m=m at entry=0x7f0d0f597240
<KConfigDialog::staticMetaObject>,
local_signal_index=local_signal_index at entry=1, argv=argv at entry=0x7ffcfaf1b170)
    at kernel/qobject.cpp:3985
#13 0x00007f0d0f563325 in KConfigDialog::settingsChanged(QString const&)
(this=this at entry=0x557af793c270, _t1=...) at
/usr/src/debug/kconfigwidgets-5.112.0/build/src/KF5ConfigWidgets_autogen/include/moc_kconfigdialog.cpp:208
#14 0x00007f0d0f568069 in KConfigDialogPrivate::settingsChangedSlot()
(this=<optimized out>) at
/usr/src/debug/kconfigwidgets-5.112.0/src/kconfigdialog.cpp:295
#15 operator() (__closure=<optimized out>) at
/usr/src/debug/kconfigwidgets-5.112.0/src/kconfigdialog.cpp:203
#16 QtPrivate::FunctorCall<QtPrivate::IndexesList<>, QtPrivate::List<>, void,
KConfigDialogPrivate::setupManagerConnections(KConfigDialogManager*)::<lambda()>
>::call (arg=<optimized out>, f=<optimized out>) at
/usr/include/qt5/QtCore/qobjectdefs_impl.h:146
#17
QtPrivate::Functor<KConfigDialogPrivate::setupManagerConnections(KConfigDialogManager*)::<lambda()>,
0>::call<QtPrivate::List<>, void> (arg=<optimized out>, f=<optimized out>) at
/usr/include/qt5/QtCore/qobjectdefs_impl.h:256
#18
QtPrivate::QFunctorSlotObject<KConfigDialogPrivate::setupManagerConnections(KConfigDialogManager*)::<lambda()>,
0, QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase *, QObject *,
void **, bool *)
    (which=<optimized out>, this_=<optimized out>, r=<optimized out>,
a=<optimized out>, ret=<optimized out>) at
/usr/include/qt5/QtCore/qobjectdefs_impl.h:443
#19 0x00007f0d0df25442 in QtPrivate::QSlotObjectBase::call(QObject*, void**)
(a=0x7ffcfaf1b250, r=0x557af793c270, this=0x557af798d6c0) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#20 doActivate<false>(QObject*, int, void**) (sender=0x557af798d620,
signal_index=3, argv=0x7ffcfaf1b250) at kernel/qobject.cpp:3925
#21 0x00007f0d0df1e0af in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) (sender=sender at entry=0x557af798d620, m=m at entry=0x7f0d0f597280
<KConfigDialogManager::staticMetaObject>,
local_signal_index=local_signal_index at entry=0, argv=argv at entry=0x0)
    at kernel/qobject.cpp:3985
#22 0x00007f0d0f5632c0 in KConfigDialogManager::settingsChanged()
(this=this at entry=0x557af798d620) at
/usr/src/debug/kconfigwidgets-5.112.0/build/src/KF5ConfigWidgets_autogen/include/moc_kconfigdialogmanager.cpp:182
#23 0x00007f0d0f56b11a in KConfigDialogManager::updateSettings()
(this=0x557af798d620) at
/usr/src/debug/kconfigwidgets-5.112.0/src/kconfigdialogmanager.cpp:399
#24 0x00007f0d0df25442 in QtPrivate::QSlotObjectBase::call(QObject*, void**)
(a=0x7ffcfaf1b420, r=0x557af798d620, this=0x557af7877ae0) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#25 doActivate<false>(QObject*, int, void**) (sender=0x557af7a5e260,
signal_index=9, argv=0x7ffcfaf1b420) at kernel/qobject.cpp:3925
#26 0x00007f0d0df1e0af in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) (sender=sender at entry=0x557af7a5e260, m=m at entry=0x7f0d0f0c0280,
local_signal_index=local_signal_index at entry=2, argv=argv at entry=0x7ffcfaf1b420)
at kernel/qobject.cpp:3985
#27 0x00007f0d0ec96ae2 in QAbstractButton::clicked(bool)
(this=this at entry=0x557af7a5e260, _t1=<optimized out>) at
.moc/moc_qabstractbutton.cpp:308
#28 0x00007f0d0ec96d4a in QAbstractButtonPrivate::emitClicked()
(this=0x557af7902bb0) at widgets/qabstractbutton.cpp:416
#29 0x00007f0d0ec98587 in QAbstractButtonPrivate::click() (this=0x557af7902bb0)
at widgets/qabstractbutton.cpp:409
#30 0x00007f0d0ec98797 in QAbstractButton::mouseReleaseEvent(QMouseEvent*)
(this=0x557af7a5e260, e=0x7ffcfaf1b9b0) at widgets/qabstractbutton.cpp:1045
#31 0x00007f0d0ebe6d58 in QWidget::event(QEvent*) (this=0x557af7a5e260,
event=0x7ffcfaf1b9b0) at kernel/qwidget.cpp:9045
#32 0x00007f0d0eba519e in QApplicationPrivate::notify_helper(QObject*, QEvent*)
(this=this at entry=0x557af7110120, receiver=receiver at entry=0x557af7a5e260,
e=e at entry=0x7ffcfaf1b9b0) at kernel/qapplication.cpp:3640
#33 0x00007f0d0ebad5cf in QApplication::notify(QObject*, QEvent*)
(this=<optimized out>, receiver=<optimized out>, e=0x7ffcfaf1b9b0) at
kernel/qapplication.cpp:3084
#34 0x00007f0d0deed198 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
(receiver=0x557af7a5e260, event=0x7ffcfaf1b9b0) at
kernel/qcoreapplication.cpp:1064
#35 0x00007f0d0deed36e in QCoreApplication::sendSpontaneousEvent(QObject*,
QEvent*) (receiver=<optimized out>, event=<optimized out>) at
kernel/qcoreapplication.cpp:1474
#36 0x00007f0d0ebab92e in QApplicationPrivate::sendMouseEvent(QWidget*,
QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool, bool)
    (receiver=receiver at entry=0x557af7a5e260, event=event at entry=0x7ffcfaf1b9b0,
alienWidget=<optimized out>, nativeWidget=0x557af793c270,
buttonDown=buttonDown at entry=0x7f0d0f0f2330 <qt_button_down>,
lastMouseReceiver=..., spontaneous=true, onlyDispatchEnterLeave=false)
    at kernel/qapplication.cpp:2622
#37 0x00007f0d0ebff7ed in QWidgetWindow::handleMouseEvent(QMouseEvent*)
(this=this at entry=0x557af7ac8fd0, event=event at entry=0x7ffcfaf1bc60) at
kernel/qwidgetwindow.cpp:684
#38 0x00007f0d0ec02d0f in QWidgetWindow::event(QEvent*) (this=0x557af7ac8fd0,
event=0x7ffcfaf1bc60) at kernel/qwidgetwindow.cpp:300
#39 0x00007f0d0eba519e in QApplicationPrivate::notify_helper(QObject*, QEvent*)
(this=<optimized out>, receiver=0x557af7ac8fd0, e=0x7ffcfaf1bc60) at
kernel/qapplication.cpp:3640
#40 0x00007f0d0deed198 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
(receiver=0x557af7ac8fd0, event=0x7ffcfaf1bc60) at
kernel/qcoreapplication.cpp:1064
#41 0x00007f0d0deed36e in QCoreApplication::sendSpontaneousEvent(QObject*,
QEvent*) (receiver=<optimized out>, event=<optimized out>) at
kernel/qcoreapplication.cpp:1474
#42 0x00007f0d0e37d0db in
QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*)
(e=0x7f0cfc002440) at kernel/qguiapplication.cpp:2285
#43 0x00007f0d0e35038c in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(flags=...) at kernel/qwindowsysteminterface.cpp:1169
#44 0x00007f0d0bd617b0 in userEventSourceDispatch(GSource*, GSourceFunc,
gpointer) (source=<optimized out>) at qeventdispatcher_glib.cpp:74
#45 0x00007f0d0c513f30 in g_main_dispatch (context=0x7f0d04000ec0) at
../glib/gmain.c:3476
#46 g_main_context_dispatch_unlocked (context=context at entry=0x7f0d04000ec0) at
../glib/gmain.c:4284
#47 0x00007f0d0c515b58 in g_main_context_iterate_unlocked
(context=context at entry=0x7f0d04000ec0, block=block at entry=1,
dispatch=dispatch at entry=1, self=<optimized out>) at ../glib/gmain.c:4349
#48 0x00007f0d0c51620c in g_main_context_iteration (context=0x7f0d04000ec0,
may_block=1) at ../glib/gmain.c:4414
#49 0x00007f0d0df460d6 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x557af714d030, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#50 0x00007f0d0deebc2b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this at entry=0x7ffcfaf1bf90, flags=..., flags at entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:69
#51 0x00007f0d0def40c0 in QCoreApplication::exec() () at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#52 0x00007f0d0e37057c in QGuiApplication::exec() () at
kernel/qguiapplication.cpp:1870
#53 0x00007f0d0eba5115 in QApplication::exec() () at
kernel/qapplication.cpp:2832
#54 0x0000557af698901e in main(int, char**) (argc=<optimized out>,
argv=<optimized out>) at /usr/src/debug/okular-23.08.3/shell/main.cpp:109
```

SOFTWARE/OS VERSIONS
Operating System: openSUSE Tumbleweed 20231202
KDE Plasma Version: 5.27.9
KDE Frameworks Version: 5.112.0
Qt Version: 5.15.11
Kernel Version: 6.6.3-1-default (64-bit)
Graphics Platform: Wayland

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