Application: okular (0.20.3)
KDE Platform Version: 4.14.3
Qt Version: 4.8.6
Operating System: Linux 3.17.7-200.fc20.x86_64 x86_64
Distribution (Platform): Fedora RPMs

-- Information about the crash:
- What I was doing when the application crashed:
Nothing indeed. Just review a ppt file, and exit!
When hit x, application closes and the kde crash handler appears!

The crash can be reproduced every time.

-- Backtrace:
Application: Okular (okular), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[KCrash Handler]
#5  0x00000032546793a5 in QHash<int, KoInlineObject*>::duplicateNode(QHashData::Node*, void*) () from /lib64/libkotext.so.13
#6  0x0000003821498b5f in QHashData::detach_helper2(void (*)(QHashData::Node*, void*), void (*)(QHashData::Node*), int, int) () from /lib64/libQtCore.so.4
#7  0x0000003254679b6a in QHash<int, KoInlineObject*>::detach_helper() () from /lib64/libkotext.so.13
#8  0x0000003254679bcd in QHash<int, KoInlineObject*>::remove(int const&) () from /lib64/libkotext.so.13
#9  0x00000032546783f6 in KoInlineTextObjectManager::removeInlineObject(KoInlineObject*) () from /lib64/libkotext.so.13
#10 0x000000325467d467 in KoInlineObject::~KoInlineObject() () from /lib64/libkotext.so.13
#11 0x00007f85f2d10ef6 in PageVariable::~PageVariable() () from /usr/lib64/kde4/calligra_textinlineobject_variables.so
#12 0x000000382159f918 in QObject::event(QEvent*) () from /lib64/libQtCore.so.4
#13 0x000000324dbcae6c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQtGui.so.4
#14 0x000000324dbd17c5 in QApplication::notify(QObject*, QEvent*) () from /lib64/libQtGui.so.4
#15 0x000000324f24a4fa in KApplication::notify(QObject*, QEvent*) () from /lib64/libkdeui.so.5
#16 0x00000038215868dd in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /lib64/libQtCore.so.4
#17 0x0000003821589ac5 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /lib64/libQtCore.so.4
#18 0x000000382158adc0 in QCoreApplication::exec() () from /lib64/libQtCore.so.4
#19 0x0000000000409bd0 in main ()

Reported using DrKonqi