Application: kmail (1.13.1)
KDE Platform Version: 4.4.1 (KDE 4.4.1)
Qt Version: 4.6.2
Operating System: Linux 2.6.31-20-generic x86_64
Distribution: Ubuntu 9.10

-- Information about the crash:
O just tried to open a simple attachment png file, and Kmail crashed.

 -- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
[KCrash Handler]
#5  QBasicAtomicInt::deref (this=0x1956ff0, other=...) at ../../include/QtCore/../../src/corelib/arch/qatomic_x86_64.h:133
#6  QByteArray::operator= (this=0x1956ff0, other=...) at tools/qbytearray.cpp:865
#7  0x00007f77c969f19a in ?? () from /usr/lib/libkmailprivate.so.4
#8  0x00007f77c959b379 in ?? () from /usr/lib/libkmailprivate.so.4
#9  0x00007f77c98230f8 in KMHandleAttachmentCommand::slotStart() () from /usr/lib/libkmailprivate.so.4
#10 0x00007f77c98254d6 in KMHandleAttachmentCommand::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkmailprivate.so.4
#11 0x00007f77c8144c0f in QMetaObject::activate (sender=0x1f27750, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0xffffffffffd4b664) at kernel/qobject.cpp:3293
#12 0x00007f77c814c3ff in QSingleShotTimer::timerEvent (this=0x1f27750) at kernel/qtimer.cpp:308
#13 0x00007f77c8141863 in QObject::event (this=0x1f27750, e=0x7fff908c2430) at kernel/qobject.cpp:1212
#14 0x00007f77c860512c in QApplicationPrivate::notify_helper (this=0x969ac0, receiver=0x1f27750, e=0x7fff908c2430) at kernel/qapplication.cpp:4300
#15 0x00007f77c860b71b in QApplication::notify (this=0x7fff908c28a0, receiver=0x1f27750, e=0x7fff908c2430) at kernel/qapplication.cpp:4183
#16 0x00007f77ca70cd76 in KApplication::notify (this=0x7fff908c28a0, receiver=0x1f27750, event=0x7fff908c2430) at ../../kdeui/kernel/kapplication.cpp:302
#17 0x00007f77c8131e0c in QCoreApplication::notifyInternal (this=0x7fff908c28a0, receiver=0x1f27750, event=0x7fff908c2430) at kernel/qcoreapplication.cpp:704
#18 0x00007f77c815ea62 in QCoreApplication::sendEvent (this=0x90f6f0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#19 QTimerInfoList::activateTimers (this=0x90f6f0) at kernel/qeventdispatcher_unix.cpp:603
#20 0x00007f77c815b644 in timerSourceDispatch (source=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:184
#21 0x00007f77befbfbce in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#22 0x00007f77befc3598 in ?? () from /lib/libglib-2.0.so.0
#23 0x00007f77befc36c0 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#24 0x00007f77c815b333 in QEventDispatcherGlib::processEvents (this=0x8c8620, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#25 0x00007f77c86b4f0e in QGuiEventDispatcherGlib::processEvents (this=0x1956ff0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#26 0x00007f77c8130732 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#27 0x00007f77c8130b0c in QEventLoop::exec (this=0x7fff908c26d0, flags=) at kernel/qeventloop.cpp:201
#28 0x00007f77c813484b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#29 0x0000000000403452 in _start ()

Reported using DrKonqi