Application: kontact (4.4.6)
KDE Platform Version: 4.5.2 (KDE 4.5.2) "release 9"
Qt Version: 4.6.3
Operating System: Linux 2.6.34.7-0.3-desktop x86_64
Distribution: "openSUSE 11.3 (x86_64)"

-- Information about the crash:
- What I was doing when the application crashed:

Clicking on the attached PDF (within the preview area) Kontact crashed.

The crash can be reproduced every time.

-- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[KCrash Handler]
#6  operator!= (this=0x3b39100, str=0x7f121f5e30b2 "plain") at ../../src/corelib/thread/qbasicatomic.h:75
#7  QByteArray::operator= (this=0x3b39100, str=0x7f121f5e30b2 "plain") at tools/qbytearray.cpp:887
#8  0x00007f121f2aca69 in KMMessagePart::clear (this=0x3b390e8) at /usr/src/debug/kdepim-4.4.6/kmail/kmmsgpart.cpp:67
#9  0x00007f121f1cac3a in KMMessage::bodyPart (aDwBodyPart=0x18875e0, aPart=0x3b390e8, withBody=true) at /usr/src/debug/kdepim-4.4.6/kmail/kmmessage.cpp:2670
#10 0x00007f121f422728 in msgPart (this=<value optimized out>) at /usr/src/debug/kdepim-4.4.6/kmail/partNode.h:103
#11 KMHandleAttachmentCommand::slotStart (this=<value optimized out>) at /usr/src/debug/kdepim-4.4.6/kmail/kmcommands.cpp:3034
#12 0x00007f121f420eb6 in KMHandleAttachmentCommand::qt_metacall (this=0x2284f20, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff27c89250)
    at /usr/src/debug/kdepim-4.4.6/build/kmail/kmcommands.moc:2571
#13 0x00007f1239bb7a1f in QMetaObject::activate (sender=0x2230eb0, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x0) at kernel/qobject.cpp:3295
#14 0x00007f1239bbcdbf in QSingleShotTimer::timerEvent (this=0x2230eb0) at kernel/qtimer.cpp:308
#15 0x00007f1239bb522e in QObject::event (this=0x2230eb0, e=0x7fff27c89a00) at kernel/qobject.cpp:1212
#16 0x00007f1238f954d4 in QApplicationPrivate::notify_helper (this=0x640a40, receiver=0x2230eb0, e=0x7fff27c89a00) at kernel/qapplication.cpp:4302
#17 0x00007f1238f9daca in QApplication::notify (this=<value optimized out>, receiver=0x2230eb0, e=0x7fff27c89a00) at kernel/qapplication.cpp:4185
#18 0x00007f123a4c9796 in KApplication::notify (this=0x7fff27c89e40, receiver=0x2230eb0, event=0x7fff27c89a00) at /usr/src/debug/kdelibs-4.5.2/kdeui/kernel/kapplication.cpp:310
#19 0x00007f1239ba3e4c in QCoreApplication::notifyInternal (this=0x7fff27c89e40, receiver=0x2230eb0, event=0x7fff27c89a00) at kernel/qcoreapplication.cpp:726
#20 0x00007f1239bcf0c9 in sendEvent (this=0x64b5a0) at kernel/qcoreapplication.h:215
#21 QTimerInfoList::activateTimers (this=0x64b5a0) at kernel/qeventdispatcher_unix.cpp:618
#22 0x00007f1239bcbfd4 in timerSourceDispatch (source=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:184
#23 0x00007f12311f0a93 in g_main_dispatch (context=0x6429f0) at gmain.c:1960
#24 IA__g_main_context_dispatch (context=0x6429f0) at gmain.c:2513
#25 0x00007f12311f1270 in g_main_context_iterate (context=0x6429f0, block=1, dispatch=1, self=<value optimized out>) at gmain.c:2591
#26 0x00007f12311f1510 in IA__g_main_context_iteration (context=0x6429f0, may_block=1) at gmain.c:2654
#27 0x00007f1239bcc67f in QEventDispatcherGlib::processEvents (this=0x613220, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#28 0x00007f123903614e in QGuiEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#29 0x00007f1239ba3292 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#30 0x00007f1239ba3495 in QEventLoop::exec (this=0x7fff27c89d90, flags=...) at kernel/qeventloop.cpp:201
#31 0x00007f1239ba788b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1003
#32 0x000000000040417e in _start ()

Reported using DrKonqi