Application: okular (1.10.0)

Qt Version: 5.14.2
Frameworks Version: 5.70.0
Operating System: Linux 5.3.0-53-generic x86_64
Windowing system: X11
Distribution: KDE neon User Edition 5.18

-- Information about the crash:
- What I was doing when the application crashed:
I was trying to verify a digital signature in a pdf document. When trying to export a digital cert okular crashed

-- Backtrace:
Application: Okular (okular), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f9e9b0f9800 (LWP 8971))]

Thread 3 (Thread 0x7f9e67f01700 (LWP 16375)):
#0  0x00007f9e96c480b4 in __GI___libc_read (fd=21, buf=0x7f9e67f00bde, nbytes=10) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f9e7cd1b021 in pa_read () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#2  0x00007f9e7d939a2e in pa_mainloop_prepare () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007f9e7d93a4a0 in pa_mainloop_iterate () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007f9e7d93a560 in pa_mainloop_run () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007f9e7d9483c9 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007f9e7cd4a318 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#7  0x00007f9e93a006db in start_thread (arg=0x7f9e67f01700) at pthread_create.c:463
#8  0x00007f9e96c5988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f9e807a1700 (LWP 8973)):
#0  0x00007f9e96c4cbf9 in __GI___poll (fds=0x7f9e78013f40, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f9e914495c9 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9e914496dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9e975b37cb in QEventDispatcherGlib::processEvents (this=0x7f9e78000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f9e97552d2a in QEventLoop::exec (this=this@entry=0x7f9e807a0d70, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#5  0x00007f9e97363757 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:536
#6  0x00007f9e97a40555 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f9e97364c2c in QThreadPrivate::start (arg=0x7f9e97cb8da0) at thread/qthread_unix.cpp:342
#8  0x00007f9e93a006db in start_thread (arg=0x7f9e807a1700) at pthread_create.c:463
#9  0x00007f9e96c5988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f9e9b0f9800 (LWP 8971)):
[KCrash Handler]
#4  QArrayData::data (this=0x0) at ../../include/QtCore/../../src/corelib/tools/qarraydata.h:61
#5  QTypedArrayData<unsigned short>::data (this=0x0) at ../../include/QtCore/../../src/corelib/tools/qarraydata.h:208
#6  QString::data (this=<optimized out>) at ../../include/QtCore/../../src/corelib/text/qstring.h:1039
#7  qToStringViewIgnoringNull<QString, true> (s=...) at ../../include/QtCore/../../src/corelib/text/qstringview.h:335
#8  QString::arg (this=0x7fffa7ec5728, a=..., fieldWidth=0, fillChar=...) at text/qstring.cpp:8309
#9  0x00007f9e7eedf230 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/okularpart.so
#10 0x00007f9e7eef2dc7 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/okularpart.so
#11 0x00007f9e9758f6d7 in QtPrivate::QSlotObjectBase::call (a=0x7fffa7ec5930, r=0x7fffa7ec6720, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#12 doActivate<false> (sender=0x563cdf3e4860, signal_index=9, argv=0x7fffa7ec5930) at kernel/qobject.cpp:3870
#13 0x00007f9e97589f92 in QMetaObject::activate (sender=sender@entry=0x563cdf3e4860, m=m@entry=0x7f9e98dba6e0 <QAbstractButton::staticMetaObject>, local_signal_index=local_signal_index@entry=2, argv=argv@entry=0x7fffa7ec5930) at kernel/qobject.cpp:3930
#14 0x00007f9e987bf702 in QAbstractButton::clicked (this=this@entry=0x563cdf3e4860, _t1=<optimized out>) at .moc/moc_qabstractbutton.cpp:313
#15 0x00007f9e987bf91a in QAbstractButtonPrivate::emitClicked (this=0x563cdf3c6780) at widgets/qabstractbutton.cpp:415
#16 0x00007f9e987c0cfa in QAbstractButtonPrivate::click (this=0x563cdf3c6780) at widgets/qabstractbutton.cpp:408
#17 0x00007f9e987c0eed in QAbstractButton::mouseReleaseEvent (this=0x563cdf3e4860, e=0x7fffa7ec5e90) at widgets/qabstractbutton.cpp:1012
#18 0x00007f9e987148c8 in QWidget::event (this=0x563cdf3e4860, event=0x7fffa7ec5e90) at kernel/qwidget.cpp:9033
#19 0x00007f9e986d39ac in QApplicationPrivate::notify_helper (this=this@entry=0x563cde6ffbb0, receiver=receiver@entry=0x563cdf3e4860, e=e@entry=0x7fffa7ec5e90) at kernel/qapplication.cpp:3685
#20 0x00007f9e986db9f8 in QApplication::notify (this=<optimized out>, receiver=0x563cdf3e4860, e=0x7fffa7ec5e90) at kernel/qapplication.cpp:3129
#21 0x00007f9e975544a8 in QCoreApplication::notifyInternal2 (receiver=0x563cdf3e4860, event=0x7fffa7ec5e90) at kernel/qcoreapplication.cpp:1075
#22 0x00007f9e9755468e in QCoreApplication::sendSpontaneousEvent (receiver=receiver@entry=0x563cdf3e4860, event=event@entry=0x7fffa7ec5e90) at kernel/qcoreapplication.cpp:1482
#23 0x00007f9e986da07f in QApplicationPrivate::sendMouseEvent (receiver=receiver@entry=0x563cdf3e4860, event=event@entry=0x7fffa7ec5e90, alienWidget=0x563cdf3e4860, nativeWidget=0x7fffa7ec6720, buttonDown=buttonDown@entry=0x7f9e98de49a0 <qt_button_down>, lastMouseReceiver=..., spontaneous=true, onlyDispatchEnterLeave=false) at kernel/qapplication.cpp:2615
#24 0x00007f9e9872ef81 in QWidgetWindow::handleMouseEvent (this=this@entry=0x563cdf3fe1b0, event=event@entry=0x7fffa7ec6310) at kernel/qwidgetwindow.cpp:673
#25 0x00007f9e98731dea in QWidgetWindow::event (this=0x563cdf3fe1b0, event=0x7fffa7ec6310) at kernel/qwidgetwindow.cpp:295
#26 0x00007f9e986d39ac in QApplicationPrivate::notify_helper (this=this@entry=0x563cde6ffbb0, receiver=receiver@entry=0x563cdf3fe1b0, e=e@entry=0x7fffa7ec6310) at kernel/qapplication.cpp:3685
#27 0x00007f9e986dabb0 in QApplication::notify (this=0x7fffa7ec7720, receiver=0x563cdf3fe1b0, e=0x7fffa7ec6310) at kernel/qapplication.cpp:3431
#28 0x00007f9e975544a8 in QCoreApplication::notifyInternal2 (receiver=0x563cdf3fe1b0, event=0x7fffa7ec6310) at kernel/qcoreapplication.cpp:1075
#29 0x00007f9e9755468e in QCoreApplication::sendSpontaneousEvent (receiver=receiver@entry=0x563cdf3fe1b0, event=event@entry=0x7fffa7ec6310) at kernel/qcoreapplication.cpp:1482
#30 0x00007f9e97de18b5 in QGuiApplicationPrivate::processMouseEvent (e=0x563cdf35c0d0) at kernel/qguiapplication.cpp:2203
#31 0x00007f9e97de29e5 in QGuiApplicationPrivate::processWindowSystemEvent (e=e@entry=0x563cdf35c0d0) at kernel/qguiapplication.cpp:1935
#32 0x00007f9e97dbb1cb in QWindowSystemInterface::sendWindowSystemEvents (flags=flags@entry=...) at kernel/qwindowsysteminterface.cpp:1170
#33 0x00007f9e8c7e5f9a in xcbSourceDispatch (source=<optimized out>) at qxcbeventdispatcher.cpp:105
#34 0x00007f9e91449417 in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007f9e91449650 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007f9e914496dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#37 0x00007f9e975b37ac in QEventDispatcherGlib::processEvents (this=0x563cde76be70, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#38 0x00007f9e97552d2a in QEventLoop::exec (this=this@entry=0x7fffa7ec66b0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#39 0x00007f9e988cca37 in QDialog::exec (this=0x7fffa7ec6720) at dialogs/qdialog.cpp:601
#40 0x00007f9e7ee7cc0a in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/okularpart.so
#41 0x00007f9e9758f6d7 in QtPrivate::QSlotObjectBase::call (a=0x7fffa7ec6870, r=0x563cded652a0, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#42 doActivate<false> (sender=0x563cded652a0, signal_index=9, argv=0x7fffa7ec6870) at kernel/qobject.cpp:3870
#43 0x00007f9e97589f92 in QMetaObject::activate (sender=sender@entry=0x563cded652a0, m=m@entry=0x7f9e98dba6e0 <QAbstractButton::staticMetaObject>, local_signal_index=local_signal_index@entry=2, argv=argv@entry=0x7fffa7ec6870) at kernel/qobject.cpp:3930
#44 0x00007f9e987bf702 in QAbstractButton::clicked (this=this@entry=0x563cded652a0, _t1=<optimized out>) at .moc/moc_qabstractbutton.cpp:313
#45 0x00007f9e987bf91a in QAbstractButtonPrivate::emitClicked (this=0x563cdee1f430) at widgets/qabstractbutton.cpp:415
#46 0x00007f9e987c0cfa in QAbstractButtonPrivate::click (this=0x563cdee1f430) at widgets/qabstractbutton.cpp:408
#47 0x00007f9e987c0eed in QAbstractButton::mouseReleaseEvent (this=0x563cded652a0, e=0x7fffa7ec6e20) at widgets/qabstractbutton.cpp:1012
#48 0x00007f9e7ee841f9 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/okularpart.so
#49 0x00007f9e987148c8 in QWidget::event (this=0x563cded652a0, event=0x7fffa7ec6e20) at kernel/qwidget.cpp:9033
#50 0x00007f9e986d39ac in QApplicationPrivate::notify_helper (this=this@entry=0x563cde6ffbb0, receiver=receiver@entry=0x563cded652a0, e=e@entry=0x7fffa7ec6e20) at kernel/qapplication.cpp:3685
#51 0x00007f9e986db9f8 in QApplication::notify (this=<optimized out>, receiver=0x563cded652a0, e=0x7fffa7ec6e20) at kernel/qapplication.cpp:3129
#52 0x00007f9e975544a8 in QCoreApplication::notifyInternal2 (receiver=0x563cded652a0, event=0x7fffa7ec6e20) at kernel/qcoreapplication.cpp:1075
#53 0x00007f9e9755468e in QCoreApplication::sendSpontaneousEvent (receiver=receiver@entry=0x563cded652a0, event=event@entry=0x7fffa7ec6e20) at kernel/qcoreapplication.cpp:1482
#54 0x00007f9e986da07f in QApplicationPrivate::sendMouseEvent (receiver=receiver@entry=0x563cded652a0, event=event@entry=0x7fffa7ec6e20, alienWidget=0x563cded652a0, nativeWidget=0x563cde7fae00, buttonDown=buttonDown@entry=0x7f9e98de49a0 <qt_button_down>, lastMouseReceiver=..., spontaneous=true, onlyDispatchEnterLeave=false) at kernel/qapplication.cpp:2615
#55 0x00007f9e9872ef81 in QWidgetWindow::handleMouseEvent (this=this@entry=0x563cdeb31fc0, event=event@entry=0x7fffa7ec72a0) at kernel/qwidgetwindow.cpp:673
#56 0x00007f9e98731dea in QWidgetWindow::event (this=0x563cdeb31fc0, event=0x7fffa7ec72a0) at kernel/qwidgetwindow.cpp:295
#57 0x00007f9e986d39ac in QApplicationPrivate::notify_helper (this=this@entry=0x563cde6ffbb0, receiver=receiver@entry=0x563cdeb31fc0, e=e@entry=0x7fffa7ec72a0) at kernel/qapplication.cpp:3685
#58 0x00007f9e986dabb0 in QApplication::notify (this=0x7fffa7ec7720, receiver=0x563cdeb31fc0, e=0x7fffa7ec72a0) at kernel/qapplication.cpp:3431
#59 0x00007f9e975544a8 in QCoreApplication::notifyInternal2 (receiver=0x563cdeb31fc0, event=0x7fffa7ec72a0) at kernel/qcoreapplication.cpp:1075
#60 0x00007f9e9755468e in QCoreApplication::sendSpontaneousEvent (receiver=receiver@entry=0x563cdeb31fc0, event=event@entry=0x7fffa7ec72a0) at kernel/qcoreapplication.cpp:1482
#61 0x00007f9e97de18b5 in QGuiApplicationPrivate::processMouseEvent (e=0x563cdf44fb60) at kernel/qguiapplication.cpp:2203
#62 0x00007f9e97de29e5 in QGuiApplicationPrivate::processWindowSystemEvent (e=e@entry=0x563cdf44fb60) at kernel/qguiapplication.cpp:1935
#63 0x00007f9e97dbb1cb in QWindowSystemInterface::sendWindowSystemEvents (flags=flags@entry=...) at kernel/qwindowsysteminterface.cpp:1170
#64 0x00007f9e8c7e5f9a in xcbSourceDispatch (source=<optimized out>) at qxcbeventdispatcher.cpp:105
#65 0x00007f9e91449417 in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#66 0x00007f9e91449650 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#67 0x00007f9e914496dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#68 0x00007f9e975b37ac in QEventDispatcherGlib::processEvents (this=0x563cde76be70, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#69 0x00007f9e97552d2a in QEventLoop::exec (this=this@entry=0x7fffa7ec7640, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#70 0x00007f9e9755c4a0 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1383
#71 0x0000563cdccddc37 in ?? ()
#72 0x00007f9e96b59b97 in __libc_start_main (main=0x563cdccdd520, argc=2, argv=0x7fffa7ec7858, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffa7ec7848) at ../csu/libc-start.c:310
#73 0x0000563cdccde98a in ?? ()

Possible duplicates by query: bug 418026, bug 414229, bug 413708, bug 413385, bug 409403.

Reported using DrKonqi