[okular] [Bug 408254] New: Okular crashes with an encrypted pdf from Adobe sign

Nico Kruber bugzilla_noreply at kde.org
Mon Jun 3 15:43:26 BST 2019 

https://bugs.kde.org/show_bug.cgi?id=408254

            Bug ID: 408254
           Summary: Okular crashes with an encrypted pdf from Adobe sign
           Product: okular
           Version: 1.7.1
          Platform: Other
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: PDF backend
          Assignee: okular-devel at kde.org
          Reporter: nico.kruber at gmail.com
  Target Milestone: ---

SUMMARY

I'm trying to open a pdf I received and downloaded from Adobe Sign (which I
unfortunately can't share). Whenever I open it, Okular immediately crashes -
pdf preview in Dolphin as well as pdf import in Gimp seem to work though.

STEPS TO REPRODUCE
1. open pdf

OBSERVED RESULT
crash

EXPECTED RESULT
no crash

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Kernel 5.1.4, x86_64
(available in About System)
KDE Plasma Version: 5.15.5
KDE Frameworks Version: 5.58.0
Qt Version: 5.12.3
libpoppler: 0.72.0

ADDITIONAL INFORMATION

Backtrace from the crash:

Application: Okular (okular), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fb22a7bb900 (LWP 7168))]

Thread 3 (Thread 0x7fb226e48700 (LWP 7170)):
#0  0x00007fb22c504c9f in poll () from /lib64/libc.so.6
#1  0x00007fb22b158dbe in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fb22b158edf in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#3  0x00007fb22ca96e1b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib64/libQt5Core.so.5
#4  0x00007fb22ca3fbdb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/libQt5Core.so.5
#5  0x00007fb22c881751 in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#6  0x00007fb22cd144e6 in ?? () from /usr/lib64/libQt5DBus.so.5
#7  0x00007fb22c8828d2 in ?? () from /usr/lib64/libQt5Core.so.5
#8  0x00007fb22bc40faa in start_thread () from /lib64/libpthread.so.0
#9  0x00007fb22c50f71f in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7fb228751700 (LWP 7169)):
#0  0x00007fb22c504c9f in poll () from /lib64/libc.so.6
#1  0x00007fb22bcc5cc2 in ?? () from /usr/lib64/libxcb.so.1
#2  0x00007fb22bcc78ba in xcb_wait_for_event () from /usr/lib64/libxcb.so.1
#3  0x00007fb228961e28 in ?? () from /usr/lib64/libQt5XcbQpa.so.5
#4  0x00007fb22c8828d2 in ?? () from /usr/lib64/libQt5Core.so.5
#5  0x00007fb22bc40faa in start_thread () from /lib64/libpthread.so.0
#6  0x00007fb22c50f71f in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7fb22a7bb900 (LWP 7168)):
[KCrash Handler]
#6  0x00007fb22c572311 in __strlen_avx2 () from /lib64/libc.so.6
#7  0x00007fb22c49ed9f in strdup () from /lib64/libc.so.6
#8  0x00007fb21ca5b77d in SignatureInfo::setSubjectDN
(this=this at entry=0x55759f4d1040, subjectDN=0x0) at
/usr/src/debug/poppler-0.72.0-1.4.x86_64/poppler/SignatureInfo.cc:127
#9  0x00007fb21c9c9ec0 in FormFieldSignature::validateSignature
(forceRevalidation=<optimized out>, validationTime=4294967295,
doVerifyCert=true, this=0x55759f5f59b0) at
/usr/src/debug/poppler-0.72.0-1.4.x86_64/poppler/Form.cc:1750
#10 FormFieldSignature::validateSignature (this=0x55759f5f59b0,
doVerifyCert=<optimized out>, forceRevalidation=<optimized out>,
validationTime=4294967295) at
/usr/src/debug/poppler-0.72.0-1.4.x86_64/poppler/Form.cc:1690
#11 0x00007fb21cbeb3e4 in Poppler::FormFieldSignature::validate
(this=this at entry=0x55759f5f5950, opt=opt at entry=1, validationTime=...) at
/usr/src/debug/poppler-qt5-0.72.0-1.4.x86_64/qt5/src/poppler-form.cc:681
#12 0x00007fb21cbeb940 in Poppler::FormFieldSignature::validate
(this=0x55759f5f5950,
opt=opt at entry=Poppler::FormFieldSignature::ValidateVerifyCertificate) at
/usr/src/debug/poppler-qt5-0.72.0-1.4.x86_64/qt5/src/poppler-form.cc:674
#13 0x00007fb21cc75e53 in PopplerFormFieldSignature::PopplerFormFieldSignature
(this=0x55759f5f5b70, field=0x55759f5f5950) at
/usr/src/debug/okular-19.04.1-1.2.x86_64/generators/poppler/formfields.cpp:387
#14 0x00007fb21cc6e9bd in PDFGenerator::addFormFields (this=<optimized out>,
popplerPage=<optimized out>, page=<optimized out>) at
/usr/src/debug/okular-19.04.1-1.2.x86_64/generators/poppler/generator_pdf.cpp:1978
#15 0x00007fb21cc6ec90 in PDFGenerator::loadPages
(this=this at entry=0x55759f4c5020, pagesVector=..., rotation=rotation at entry=0,
clear=clear at entry=false) at
/usr/src/debug/okular-19.04.1-1.2.x86_64/generators/poppler/generator_pdf.cpp:787
#16 0x00007fb21cc6f04f in PDFGenerator::init (this=this at entry=0x55759f4c5020,
pagesVector=..., password=...) at
/usr/src/debug/okular-19.04.1-1.2.x86_64/generators/poppler/generator_pdf.cpp:683
#17 0x00007fb21cc6f258 in PDFGenerator::loadDocumentWithPassword
(this=0x55759f4c5020, filePath=..., pagesVector=..., password=...) at
/usr/src/debug/okular-19.04.1-1.2.x86_64/generators/poppler/generator_pdf.cpp:638
#18 0x00007fb2259b18bc in Okular::DocumentPrivate::openDocumentInternal
(this=0x55759eb902a0, offer=..., isstdin=isstdin at entry=false, docFile=...,
filedata=..., password=...) at
/usr/src/debug/okular-19.04.1-1.2.x86_64/core/document.cpp:875
#19 0x00007fb2259b1f3b in Okular::Document::openDocument
(this=this at entry=0x55759eb69460, docFile=..., url=..., _mime=..., password=...)
at /usr/src/debug/okular-19.04.1-1.2.x86_64/core/document.cpp:2443
#20 0x00007fb225b19d85 in Okular::Part::doOpenFile
(this=this at entry=0x55759eb43d90, mimeA=..., fileNameToOpenA=...,
isCompressedFile=isCompressedFile at entry=0x7ffc6e7a8107) at
/usr/src/debug/okular-19.04.1-1.2.x86_64/part.cpp:1415
#21 0x00007fb225b1b041 in Okular::Part::openFile (this=0x55759eb43d90) at
/usr/src/debug/okular-19.04.1-1.2.x86_64/part.cpp:1549
#22 0x00007fb22e1b2f8d in KParts::ReadOnlyPartPrivate::openLocalFile
(this=this at entry=0x55759eb66af0) at
/usr/src/debug/kparts-5.58.0-1.2.x86_64/src/readonlypart.cpp:190
#23 0x00007fb22e1b3f16 in KParts::ReadOnlyPart::openUrl
(this=this at entry=0x55759eb43d90, url=...) at
/usr/src/debug/kparts-5.58.0-1.2.x86_64/src/readonlypart.cpp:153
#24 0x00007fb225b0b8d6 in Okular::Part::openUrl (this=0x55759eb43d90, _url=...,
swapInsteadOfOpening=<optimized out>) at
/usr/src/debug/okular-19.04.1-1.2.x86_64/part.cpp:1755
#25 0x000055759d23f9fb in Shell::openUrl (this=0x55759eb0f2e0, url=...,
serializedOptions=...) at
/usr/src/debug/okular-19.04.1-1.2.x86_64/shell/shell.cpp:280
#26 0x000055759d2413a0 in Shell::fileOpen (this=0x55759eb0f2e0) at
/usr/include/qt5/QtCore/qarraydata.h:257
#27 0x000055759d247385 in Shell::qt_static_metacall (_o=<optimized out>,
_id=<optimized out>, _a=0x7ffc6e7a8720, _c=QMetaObject::InvokeMetaMethod) at
/usr/src/debug/okular-19.04.1-1.2.x86_64/build/shell/okular_autogen/EWIEGA46WW/moc_shell.cpp:183
#28 0x000055759d24748c in Shell::qt_static_metacall (_o=<optimized out>,
_c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at
/usr/src/debug/okular-19.04.1-1.2.x86_64/build/shell/okular_autogen/EWIEGA46WW/moc_shell.cpp:171
#29 0x00007fb22ca6ba18 in QMetaObject::activate(QObject*, int, int, void**) ()
from /usr/lib64/libQt5Core.so.5
#30 0x00007fb22d4f7812 in QAction::triggered(bool) () from
/usr/lib64/libQt5Widgets.so.5
#31 0x00007fb22d4f9e52 in QAction::activate(QAction::ActionEvent) () from
/usr/lib64/libQt5Widgets.so.5
#32 0x00007fb22d67ac82 in ?? () from /usr/lib64/libQt5Widgets.so.5
#33 0x00007fb22d6822aa in ?? () from /usr/lib64/libQt5Widgets.so.5
#34 0x00007fb22d6832d2 in QMenu::mouseReleaseEvent(QMouseEvent*) () from
/usr/lib64/libQt5Widgets.so.5
#35 0x00007fb22d53f4f6 in QWidget::event(QEvent*) () from
/usr/lib64/libQt5Widgets.so.5
#36 0x00007fb22d6858b3 in QMenu::event(QEvent*) () from
/usr/lib64/libQt5Widgets.so.5
#37 0x00007fb22d4fdc32 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib64/libQt5Widgets.so.5
#38 0x00007fb22d5070f3 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib64/libQt5Widgets.so.5
#39 0x00007fb22ca40e92 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib64/libQt5Core.so.5
#40 0x00007fb22d682da6 in ?? () from /usr/lib64/libQt5Widgets.so.5
#41 0x00007fb22d6830b6 in QMenu::mouseReleaseEvent(QMouseEvent*) () from
/usr/lib64/libQt5Widgets.so.5
#42 0x00007fb22d53f4f6 in QWidget::event(QEvent*) () from
/usr/lib64/libQt5Widgets.so.5
#43 0x00007fb22d6858b3 in QMenu::event(QEvent*) () from
/usr/lib64/libQt5Widgets.so.5
#44 0x00007fb22d4fdc32 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib64/libQt5Widgets.so.5
#45 0x00007fb22d5070f3 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib64/libQt5Widgets.so.5
#46 0x00007fb22ca40e92 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib64/libQt5Core.so.5
#47 0x00007fb22d5061e3 in QApplicationPrivate::sendMouseEvent(QWidget*,
QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool, bool) ()
from /usr/lib64/libQt5Widgets.so.5
#48 0x00007fb22d55b9e4 in ?? () from /usr/lib64/libQt5Widgets.so.5
#49 0x00007fb22d55dee4 in ?? () from /usr/lib64/libQt5Widgets.so.5
#50 0x00007fb22d4fdc32 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib64/libQt5Widgets.so.5
#51 0x00007fb22d506ea0 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib64/libQt5Widgets.so.5
#52 0x00007fb22ca40e92 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib64/libQt5Core.so.5
#53 0x00007fb22ced0183 in
QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*)
() from /usr/lib64/libQt5Gui.so.5
#54 0x00007fb22ced19eb in
QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*)
() from /usr/lib64/libQt5Gui.so.5
#55 0x00007fb22ceaa5eb in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() from /usr/lib64/libQt5Gui.so.5
#56 0x00007fb228962dda in ?? () from /usr/lib64/libQt5XcbQpa.so.5
#57 0x00007fb22b158bc3 in g_main_context_dispatch () from
/usr/lib64/libglib-2.0.so.0
#58 0x00007fb22b158e50 in ?? () from /usr/lib64/libglib-2.0.so.0
#59 0x00007fb22b158edf in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#60 0x00007fb22ca96e01 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib64/libQt5Core.so.5
#61 0x00007fb22ca3fbdb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/libQt5Core.so.5
#62 0x00007fb22ca475c2 in QCoreApplication::exec() () from
/usr/lib64/libQt5Core.so.5
#63 0x000055759d2389ea in main (argc=<optimized out>, argv=<optimized out>) at
/usr/src/debug/okular-19.04.1-1.2.x86_64/shell/main.cpp:90
[Inferior 1 (process 7168) detached]

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