[Okular-devel] [okular] [Bug 353679] New: Okular ODP backend crashes on opening .ppt

Nick Leverton nick at leverton.org
Thu Oct 8 08:53:23 UTC 2015 

https://bugs.kde.org/show_bug.cgi?id=353679

            Bug ID: 353679
           Summary: Okular ODP backend crashes on opening .ppt
           Product: okular
           Version: unspecified
          Platform: Debian stable
               URL: http://www.denx.de/wiki/pub/ELDKHistory/DocumentationL
                    inks/OpenEmbeddedv1.ppt
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: okular-devel at kde.org
          Reporter: nick at leverton.org

Okular  crashes every time on the following .ppt file:

http://www.denx.de/wiki/pub/ELDKHistory/DocumentationLinks/OpenEmbeddedv1.ppt

I assume okular is meant to handle .ppt's since it has registered itself as a
handler in "file associations".

Reproducible: Always




-- Backtrace:
Application: Okular (okular), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[KCrash Handler]
#6  QString (other=<error reading variable: Cannot access memory at address
0x10>, this=this at entry=0x7ffc19044740) at /usr/include/qt4/QtCore/qstring.h:725
#7  KService::library (this=this at entry=0x0) at
../../kdecore/services/kservice.cpp:860
#8  0x00007f0252dd2795 in KPluginLoader::KPluginLoader (this=0x7ffc190448c0,
service=..., componentdata=..., parent=0x0) at
../../kdecore/util/kpluginloader.cpp:166
#9  0x00007f023cbee897 in KoDocumentEntry::createKoPart(QString*) const () from
/usr/lib/libkomain.so.13
#10 0x00007f023ced5395 in ?? () from /usr/lib/kde4/okularGenerator_odp.so
#11 0x00007f02429a76e6 in Okular::Generator::loadDocumentWithPassword
(this=<optimized out>, fileName=..., pagesVector=...) at
../core/generator.cpp:191
#12 0x00007f024299b50e in Okular::DocumentPrivate::openDocumentInternal
(this=0xab97d0, offer=..., isstdin=isstdin at entry=false, docFile=...,
filedata=..., password=...) at ../core/document.cpp:946
#13 0x00007f024299be5a in Okular::Document::openDocument (this=0xa75370,
docFile=..., url=..., _mime=..., password=...) at ../core/document.cpp:2227
#14 0x00007f0242c8a193 in Okular::Part::doOpenFile (this=0xa80c40, mimeA=...,
fileNameToOpenA=..., isCompressedFile=<optimized out>) at ../part.cpp:1253
#15 0x00007f0242c8c22f in Okular::Part::openFile (this=0xd85e88) at
../part.cpp:1374
#16 0x00007f0254b3ec36 in KParts::ReadOnlyPartPrivate::_k_slotJobFinished
(this=0xa80260, job=0xd84ec0) at ../../kparts/part.cpp:694
#17 0x00007f025285771c in QMetaObject::activate (sender=sender at entry=0xd84ec0,
m=m at entry=0x7f0253088ee0 <KJob::staticMetaObject>,
local_signal_index=local_signal_index at entry=3, argv=argv at entry=0x7ffc190450d0)
at kernel/qobject.cpp:3567
#18 0x00007f0252ce8152 in KJob::result (this=this at entry=0xd84ec0,
_t1=_t1 at entry=0xd84ec0) at ./kjob.moc:207
#19 0x00007f0252ce81a0 in KJob::emitResult (this=this at entry=0xd84ec0) at
../../kdecore/jobs/kjob.cpp:318
#20 0x00007f025452bd27 in KIO::FileCopyJob::slotResult (this=0xd84ec0,
job=0xd68de0) at ../../kio/kio/job.cpp:2470
#21 0x00007f025285771c in QMetaObject::activate (sender=sender at entry=0xd68de0,
m=m at entry=0x7f0253088ee0 <KJob::staticMetaObject>,
local_signal_index=local_signal_index at entry=3, argv=argv at entry=0x7ffc19045260)
at kernel/qobject.cpp:3567
#22 0x00007f0252ce8152 in KJob::result (this=this at entry=0xd68de0,
_t1=_t1 at entry=0xd68de0) at ./kjob.moc:207
#23 0x00007f0252ce81a0 in KJob::emitResult (this=this at entry=0xd68de0) at
../../kdecore/jobs/kjob.cpp:318
#24 0x00007f0254527b3b in KIO::SimpleJob::slotFinished
(this=this at entry=0xd68de0) at ../../kio/kio/job.cpp:496
#25 0x00007f0254528f61 in KIO::TransferJob::slotFinished (this=0xd68de0) at
../../kio/kio/job.cpp:1110
#26 0x00007f025285771c in QMetaObject::activate (sender=0xd551a0, m=<optimized
out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3567
#27 0x00007f02545d3448 in KIO::SlaveInterface::dispatch (this=0x7ffc19044740,
_cmd=104, rawdata=...) at ../../kio/kio/slaveinterface.cpp:176
#28 0x00007f02545d03ad in KIO::SlaveInterface::dispatch (this=0xd551a0) at
../../kio/kio/slaveinterface.cpp:92
#29 0x00007f02545c2efe in KIO::Slave::gotInput (this=0xd551a0) at
../../kio/kio/slave.cpp:344
#30 0x00007f025285771c in QMetaObject::activate (sender=0xbf2700,
m=m at entry=0x7f02548e5960 <KIO::Connection::staticMetaObject>,
local_signal_index=local_signal_index at entry=0, argv=argv at entry=0x0) at
kernel/qobject.cpp:3567
#31 0x00007f02544edd90 in KIO::Connection::readyRead (this=<optimized out>) at
./connection.moc:105
#32 0x00007f02544ee2f9 in KIO::ConnectionPrivate::dequeue (this=0xda8ed0) at
../../kio/kio/connection.cpp:82
#33 0x00007f025285be11 in QObject::event (this=0xbf2700, e=<optimized out>) at
kernel/qobject.cpp:1222
#34 0x00007f025326148c in QApplicationPrivate::notify_helper
(this=this at entry=0x8d3370, receiver=receiver at entry=0xbf2700,
e=e at entry=0xda63c0) at kernel/qapplication.cpp:4570
#35 0x00007f0253267fa8 in QApplication::notify (this=this at entry=0x7ffc19045f50,
receiver=receiver at entry=0xbf2700, e=e at entry=0xda63c0) at
kernel/qapplication.cpp:4356
#36 0x00007f0253fd91aa in KApplication::notify (this=0x7ffc19045f50,
receiver=0xbf2700, event=0xda63c0) at ../../kdeui/kernel/kapplication.cpp:311
#37 0x00007f025284271d in QCoreApplication::notifyInternal
(this=0x7ffc19045f50, receiver=receiver at entry=0xbf2700,
event=event at entry=0xda63c0) at kernel/qcoreapplication.cpp:955
#38 0x00007f0252845fc1 in sendEvent (event=0xda63c0, receiver=0xbf2700) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#39 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver at entry=0x0,
event_type=event_type at entry=0, data=0x888670) at
kernel/qcoreapplication.cpp:1579
#40 0x00007f0252846453 in QCoreApplication::sendPostedEvents
(receiver=receiver at entry=0x0, event_type=event_type at entry=0) at
kernel/qcoreapplication.cpp:1472
#41 0x00007f0252871bd3 in sendPostedEvents () at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#42 postEventSourceDispatch (s=0x8bf2d0) at
kernel/qeventdispatcher_glib.cpp:280
#43 0x00007f024ea1fc5d in g_main_dispatch (context=0x8d35a0) at
/tmp/buildd/glib2.0-2.42.1/./glib/gmain.c:3111
#44 g_main_context_dispatch (context=context at entry=0x8d35a0) at
/tmp/buildd/glib2.0-2.42.1/./glib/gmain.c:3710
#45 0x00007f024ea1ff48 in g_main_context_iterate
(context=context at entry=0x8d35a0, block=block at entry=1,
dispatch=dispatch at entry=1, self=<optimized out>) at
/tmp/buildd/glib2.0-2.42.1/./glib/gmain.c:3781
#46 0x00007f024ea1fffc in g_main_context_iteration (context=0x8d35a0,
may_block=1) at /tmp/buildd/glib2.0-2.42.1/./glib/gmain.c:3842
#47 0x00007f0252871d1d in QEventDispatcherGlib::processEvents (this=0x8c28a0,
flags=...) at kernel/qeventdispatcher_glib.cpp:425
#48 0x00007f0253305f96 in QGuiEventDispatcherGlib::processEvents
(this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#49 0x00007f0252841271 in QEventLoop::processEvents
(this=this at entry=0x7ffc19045ec0, flags=...) at kernel/qeventloop.cpp:149
#50 0x00007f02528415d5 in QEventLoop::exec (this=this at entry=0x7ffc19045ec0,
flags=...) at kernel/qeventloop.cpp:204
#51 0x00007f0252847059 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1227
#52 0x00007f025325f92c in QApplication::exec () at kernel/qapplication.cpp:3828
#53 0x0000000000409540 in main (argc=<optimized out>, argv=<optimized out>) at
../../shell/main.cpp:64

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