[okular] [Bug 478304] New: Okular exits every time I open a digitally signed PDF

meso5 bugzilla_noreply at kde.org
Sat Dec 9 14:43:14 GMT 2023 

https://bugs.kde.org/show_bug.cgi?id=478304

            Bug ID: 478304
           Summary: Okular exits every time I open a digitally signed PDF
    Classification: Applications
           Product: okular
           Version: 23.08.4
          Platform: unspecified
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: okular-devel at kde.org
          Reporter: meso5 at gmx.com
  Target Milestone: ---

Application: okular (23.08.4)

Qt Version: 5.15.11
Frameworks Version: 5.113.0
Operating System: Linux 6.2.0-37-generic x86_64
Windowing System: Wayland
Distribution: KDE neon 5.27
DrKonqi: 5.27.10 [KCrashBackend]

-- Information about the crash:
Every time I open a certain digitally signed PDF, Okular exits without warning.
This happens with Okular on KDE Neon and on Windows 10. Acrobat Pro and
PDF-XChange on Windows 10 open it as normal and display the digital signature
info banner. Master PDF on Windows 10, and Atril and Evince on Debian Sid open
it but they seem to be unaware of the digital signature, even in the document
Properties. I can't locate another digitally signed PDF to compare, and can't
provide the PDF above because of confidentiality.

The crash can be reproduced every time.

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

[KCrash Handler]
#4  0x00007f0d6de45059 in NSSSignatureVerification::NSSSignatureVerification
(p7data=..., this=0x559979344660) at ./poppler/NSSCryptoSignBackend.cc:779
#5  std::make_unique<NSSSignatureVerification, std::vector<unsigned char,
std::allocator<unsigned char> > > () at
/usr/include/c++/11/bits/unique_ptr.h:962
#6  NSSCryptoSignBackend::createVerificationHandler (this=<optimized out>,
pkcs7=...) at ./poppler/NSSCryptoSignBackend.cc:1189
#7  0x00007f0d6dd2963e in FormFieldSignature::validateSignature
(this=0x559978f22ea0, doVerifyCert=doVerifyCert at entry=true,
forceRevalidation=forceRevalidation at entry=false, validationTime=-1,
ocspRevocationCheck=<optimized out>, enableAIA=enableAIA at entry=false) at
./poppler/Form.cc:2387
#8  0x00007f0d6dd29b9c in FormWidgetSignature::validateSignature
(this=this at entry=0x559979338fa0, doVerifyCert=doVerifyCert at entry=true,
forceRevalidation=forceRevalidation at entry=false, validationTime=<optimized
out>, ocspRevocationCheck=<optimized out>, enableAIA=enableAIA at entry=false) at
./poppler/Form.cc:579
#9  0x00007f0d740bfa6a in Poppler::FormFieldSignature::validate
(this=this at entry=0x55997933e020, opt=opt at entry=1, validationTime=...) at
./qt5/src/poppler-form.cc:1044
#10 0x00007f0d740bff14 in Poppler::FormFieldSignature::validate
(this=0x55997933e020,
opt=Poppler::FormFieldSignature::ValidateVerifyCertificate) at
./qt5/src/poppler-form.cc:978
#11 0x00007f0d7413e5cb in ?? () from
/usr/lib/x86_64-linux-gnu/qt5/plugins/okular/generators/okularGenerator_poppler.so
#12 0x00007f0d7414504c in ?? () from
/usr/lib/x86_64-linux-gnu/qt5/plugins/okular/generators/okularGenerator_poppler.so
#13 0x00007f0d7413472d in ?? () from
/usr/lib/x86_64-linux-gnu/qt5/plugins/okular/generators/okularGenerator_poppler.so
#14 0x00007f0d940d1fa2 in ?? () from /lib/x86_64-linux-gnu/libOkular5Core.so.11
#15 0x00007f0d940db71e in Okular::Document::openDocument(QString const&, QUrl
const&, QMimeType const&, QString const&) () from
/lib/x86_64-linux-gnu/libOkular5Core.so.11
#16 0x00007f0d8cee7995 in Okular::Part::doOpenFile(QMimeType const&, QString
const&, bool*) () from /usr/lib/x86_64-linux-gnu/qt5/plugins/okularpart.so
#17 0x00007f0d8cee91c3 in Okular::Part::openFile() () from
/usr/lib/x86_64-linux-gnu/qt5/plugins/okularpart.so
#18 0x00007f0d9c99ac65 in ?? () from /lib/x86_64-linux-gnu/libKF5Parts.so.5
#19 0x00007f0d9c9a0b27 in KParts::ReadOnlyPart::openUrl(QUrl const&) () from
/lib/x86_64-linux-gnu/libKF5Parts.so.5
#20 0x00007f0d8cee5dcb in Okular::Part::openUrl(QUrl const&, bool) () from
/usr/lib/x86_64-linux-gnu/qt5/plugins/okularpart.so
#21 0x000055997693263b in ?? ()
#22 0x0000559976934289 in ?? ()
#23 0x00007f0d9aef4394 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x00007f0d9aef4394 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x00007f0d9bc62a06 in QAbstractButton::clicked(bool) () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#26 0x00007f0d9bc62c8e in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#27 0x00007f0d9bc648b4 in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#28 0x00007f0d9bc64ad7 in QAbstractButton::mouseReleaseEvent(QMouseEvent*) ()
from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#29 0x00007f0d9bbaf95e in QWidget::event(QEvent*) () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#30 0x00007f0d9bb6c763 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#31 0x00007f0d9bb743a4 in QApplication::notify(QObject*, QEvent*) () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#32 0x00007f0d9aebc8ea in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Core.so.5
#33 0x00007f0d9bb72e87 in QApplicationPrivate::sendMouseEvent(QWidget*,
QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool, bool) ()
from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#34 0x00007f0d9bbc91db in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#35 0x00007f0d9bbcc535 in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#36 0x00007f0d9bb6c763 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#37 0x00007f0d9aebc8ea in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Core.so.5
#38 0x00007f0d9b343197 in
QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*)
() from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#39 0x00007f0d9b316dbc in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#40 0x00007f0d99403c74 in ?? () from
/lib/x86_64-linux-gnu/libQt5WaylandClient.so.5
#41 0x00007f0d995c7d3b in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#42 0x00007f0d9961d258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#43 0x00007f0d995c53e3 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#44 0x00007f0d9af15dd8 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib/x86_64-linux-gnu/libQt5Core.so.5
#45 0x00007f0d9aebb20b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#46 0x00007f0d9aec37b4 in QCoreApplication::exec() () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#47 0x000055997692bec8 in ?? ()
#48 0x00007f0d9a429d90 in __libc_start_call_main
(main=main at entry=0x55997692a850, argc=argc at entry=1,
argv=argv at entry=0x7fff3d7b75e8) at ../sysdeps/nptl/libc_start_call_main.h:58
#49 0x00007f0d9a429e40 in __libc_start_main_impl (main=0x55997692a850, argc=1,
argv=0x7fff3d7b75e8, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7fff3d7b75d8) at ../csu/libc-start.c:392
#50 0x000055997692c8f5 in ?? ()
[Inferior 1 (process 2398) detached]

Reported using DrKonqi

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