[okular] [Bug 475798] New: Okular crashes right after applying digital signature

Wed Oct 18 16:47:11 BST 2023

https://bugs.kde.org/show_bug.cgi?id=475798

            Bug ID: 475798
           Summary: Okular crashes right after applying digital signature
    Classification: Applications
           Product: okular
           Version: 23.04.3
          Platform: Compiled Sources
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: okular-devel at kde.org
          Reporter: bugs.kde.org at e3q.eu
  Target Milestone: ---

Application: okular (23.04.3)
 (Compiled from sources)
Qt Version: 5.15.10
Frameworks Version: 5.110.0
Operating System: Linux 6.1.53-gentoo-r1-a x86_64
Windowing System: X11
Distribution: "Gentoo Linux"
DrKonqi: 5.27.8 [KCrashBackend]

-- Information about the crash:
When signing a pdf form in okular (with a certificate on a smartcard), it often
but  not always crashes right after the signature is applied. So I can reopen
pdf and verify that the signature has been applied.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Okular (okular), signal: Segmentation fault

[KCrash Handler]
#4  0x00007a6152f368e3 in Okular::Page::number (this=0x5ccebd63cc90) at
/var/tmp/portage/kde-apps/okular-23.04.3/work/okular-23.04.3/core/page.cpp:162
#5  0x00007a615238649d in SignaturePartUtils::signUnsignedSignature
(form=0x5ccebda8beb0, pageView=0x5ccebcc68350, doc=0x5ccebca9d8b0) at
/var/tmp/portage/kde-apps/okular-23.04.3/work/okular-23.04.3/part/signaturepartutils.cpp:120
#6  0x00007a617a4c5ea4 in QtPrivate::QSlotObjectBase::call (a=0x7ffeea71a4d0,
r=0x5ccebd87ac30, this=0x5ccebd87aa80) at
/var/tmp/portage/dev-qt/qtcore-5.15.10-r2/work/qtbase-everywhere-src-5.15.10/include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#7  doActivate<false> (sender=0x5ccebd87ac30, signal_index=9,
argv=0x7ffeea71a4d0) at
/var/tmp/portage/dev-qt/qtcore-5.15.10-r2/work/qtbase-everywhere-src-5.15.10/src/corelib/kernel/qobject.cpp:3925
#8  0x00007a617a4bfbd7 in QMetaObject::activate
(sender=sender at entry=0x5ccebd87ac30, m=m at entry=0x7a617b496240
<QAbstractButton::staticMetaObject>,
local_signal_index=local_signal_index at entry=2, argv=argv at entry=0x7ffeea71a4d0)
at
/var/tmp/portage/dev-qt/qtcore-5.15.10-r2/work/qtbase-everywhere-src-5.15.10/src/corelib/kernel/qobject.cpp:3985
#9  0x00007a617b05b0a2 in QAbstractButton::clicked
(this=this at entry=0x5ccebd87ac30, _t1=<optimized out>) at
.moc/moc_qabstractbutton.cpp:308
#10 0x00007a617b05b2fa in QAbstractButtonPrivate::emitClicked
(this=0x5ccebd084c10) at
/var/tmp/portage/dev-qt/qtwidgets-5.15.10-r3/work/qtbase-everywhere-src-5.15.10/src/widgets/widgets/qabstractbutton.cpp:416
#11 0x00007a617b05ceb7 in QAbstractButtonPrivate::click (this=0x5ccebd084c10)
at
/var/tmp/portage/dev-qt/qtwidgets-5.15.10-r3/work/qtbase-everywhere-src-5.15.10/src/widgets/widgets/qabstractbutton.cpp:409
#12 0x00007a617b05d0e3 in QAbstractButton::mouseReleaseEvent
(this=0x5ccebd87ac30, e=0x7ffeea71aa80) at
/var/tmp/portage/dev-qt/qtwidgets-5.15.10-r3/work/qtbase-everywhere-src-5.15.10/src/widgets/widgets/qabstractbutton.cpp:1045
#13 0x00007a617afa6fa8 in QWidget::event (this=0x5ccebd87ac30,
event=0x7ffeea71aa80) at
/var/tmp/portage/dev-qt/qtwidgets-5.15.10-r3/work/qtbase-everywhere-src-5.15.10/src/widgets/kernel/qwidget.cpp:9045
#14 0x00007a617af631de in QApplicationPrivate::notify_helper
(this=this at entry=0x5ccebc7606e0, receiver=receiver at entry=0x5ccebd87ac30,
e=e at entry=0x7ffeea71aa80) at
/var/tmp/portage/dev-qt/qtwidgets-5.15.10-r3/work/qtbase-everywhere-src-5.15.10/src/widgets/kernel/qapplication.cpp:3640
#15 0x00007a617af6b8e2 in QApplication::notify (this=<optimized out>,
receiver=0x5ccebd87ac30, e=0x7ffeea71aa80) at
/var/tmp/portage/dev-qt/qtwidgets-5.15.10-r3/work/qtbase-everywhere-src-5.15.10/src/widgets/kernel/qapplication.cpp:3084
#16 0x00007a617a492d48 in QCoreApplication::notifyInternal2
(receiver=0x5ccebd87ac30, event=0x7ffeea71aa80) at
/var/tmp/portage/dev-qt/qtcore-5.15.10-r2/work/qtbase-everywhere-src-5.15.10/src/corelib/kernel/qcoreapplication.cpp:1064
#17 0x00007a617a492f4e in QCoreApplication::sendSpontaneousEvent
(receiver=<optimized out>, event=<optimized out>) at
/var/tmp/portage/dev-qt/qtcore-5.15.10-r2/work/qtbase-everywhere-src-5.15.10/src/corelib/kernel/qcoreapplication.cpp:1474
#18 0x00007a617af69be4 in QApplicationPrivate::sendMouseEvent
(receiver=receiver at entry=0x5ccebd87ac30, event=event at entry=0x7ffeea71aa80,
alienWidget=<optimized out>, nativeWidget=0x5ccebc89a1c0,
buttonDown=buttonDown at entry=0x7a617b4bf9d0 <qt_button_down>,
lastMouseReceiver=..., spontaneous=true, onlyDispatchEnterLeave=false) at
/var/tmp/portage/dev-qt/qtwidgets-5.15.10-r3/work/qtbase-everywhere-src-5.15.10/src/widgets/kernel/qapplication.cpp:2622
#19 0x00007a617afc0573 in QWidgetWindow::handleMouseEvent
(this=this at entry=0x5ccebd39ee60, event=event at entry=0x7ffeea71ad50) at
/var/tmp/portage/dev-qt/qtwidgets-5.15.10-r3/work/qtbase-everywhere-src-5.15.10/src/widgets/kernel/qwidgetwindow.cpp:684
#20 0x00007a617afc398f in QWidgetWindow::event (this=0x5ccebd39ee60,
event=0x7ffeea71ad50) at
/var/tmp/portage/dev-qt/qtwidgets-5.15.10-r3/work/qtbase-everywhere-src-5.15.10/src/widgets/kernel/qwidgetwindow.cpp:300
#21 0x00007a617af631de in QApplicationPrivate::notify_helper (this=<optimized
out>, receiver=0x5ccebd39ee60, e=0x7ffeea71ad50) at
/var/tmp/portage/dev-qt/qtwidgets-5.15.10-r3/work/qtbase-everywhere-src-5.15.10/src/widgets/kernel/qapplication.cpp:3640
#22 0x00007a617a492d48 in QCoreApplication::notifyInternal2
(receiver=0x5ccebd39ee60, event=0x7ffeea71ad50) at
/var/tmp/portage/dev-qt/qtcore-5.15.10-r2/work/qtbase-everywhere-src-5.15.10/src/corelib/kernel/qcoreapplication.cpp:1064
#23 0x00007a617a492f4e in QCoreApplication::sendSpontaneousEvent
(receiver=<optimized out>, event=<optimized out>) at
/var/tmp/portage/dev-qt/qtcore-5.15.10-r2/work/qtbase-everywhere-src-5.15.10/src/corelib/kernel/qcoreapplication.cpp:1474
#24 0x00007a617a92739b in QGuiApplicationPrivate::processMouseEvent
(e=0x5ccebd811820) at
/var/tmp/portage/dev-qt/qtgui-5.15.10-r2/work/qtbase-everywhere-src-5.15.10/src/gui/kernel/qguiapplication.cpp:2285
#25 0x00007a617a905bcb in QWindowSystemInterface::sendWindowSystemEvents
(flags=flags at entry=...) at
/var/tmp/portage/dev-qt/qtgui-5.15.10-r2/work/qtbase-everywhere-src-5.15.10/src/gui/kernel/qwindowsysteminterface.cpp:1169
#26 0x00007a6175b16fca in xcbSourceDispatch (source=<optimized out>) at
/var/tmp/portage/dev-qt/qtgui-5.15.10-r2/work/qtbase-everywhere-src-5.15.10/src/plugins/platforms/xcb/qxcbeventdispatcher.cpp:105
#27 0x00007a6178d1463c in g_main_context_dispatch () from
/usr/lib64/libglib-2.0.so.0
#28 0x00007a6178d148e8 in ?? () from /usr/lib64/libglib-2.0.so.0
#29 0x00007a6178d1497c in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#30 0x00007a617a4e4976 in QEventDispatcherGlib::processEvents
(this=0x5ccebc83e7c0, flags=...) at
/var/tmp/portage/dev-qt/qtcore-5.15.10-r2/work/qtbase-everywhere-src-5.15.10/src/corelib/kernel/qeventdispatcher_glib.cpp:423
#31 0x00007a617a49176b in QEventLoop::exec (this=this at entry=0x7ffeea71b0a0,
flags=..., flags at entry=...) at
/var/tmp/portage/dev-qt/qtcore-5.15.10-r2/work/qtbase-everywhere-src-5.15.10/include/QtCore/../../src/corelib/global/qflags.h:69
#32 0x00007a617a499a6d in QCoreApplication::exec () at
/var/tmp/portage/dev-qt/qtcore-5.15.10-r2/work/qtbase-everywhere-src-5.15.10/include/QtCore/../../src/corelib/global/qflags.h:121
#33 0x00007a617a91bb6c in QGuiApplication::exec () at
/var/tmp/portage/dev-qt/qtgui-5.15.10-r2/work/qtbase-everywhere-src-5.15.10/src/gui/kernel/qguiapplication.cpp:1870
#34 0x00007a617af63155 in QApplication::exec () at
/var/tmp/portage/dev-qt/qtwidgets-5.15.10-r3/work/qtbase-everywhere-src-5.15.10/src/widgets/kernel/qapplication.cpp:2832
#35 0x00005ccebace63e4 in main (argc=<optimized out>, argv=<optimized out>) at
/var/tmp/portage/kde-apps/okular-23.04.3/work/okular-23.04.3/shell/main.cpp:109
[Inferior 1 (process 1229596) detached]

Reported using DrKonqi

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