Application that crashed: kmail
Version of the application: 1.12.2
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.3
Operating System: Linux 2.6.31-ARCH i686

What I was doing when the application crashed:
Some attachements make Kmail crash as I click the downloadbutton

 -- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
[Current thread is 1 (Thread 0xb36de700 (LWP 2482))]

Thread 2 (Thread 0xb0203b70 (LWP 2485)):
#0  0xb7888424 in __kernel_vsyscall ()
#1  0xb5b63ec2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0xb5c9f824 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libc.so.6
#3  0xb67e68bf in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQtCore.so.4
#4  0xb67dc10e in ?? () from /usr/lib/libQtCore.so.4
#5  0xb67e5922 in ?? () from /usr/lib/libQtCore.so.4
#6  0xb5b5f65c in start_thread () from /lib/libpthread.so.0
#7  0xb5c921fe in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb36de700 (LWP 2482)):
[KCrash Handler]
#6  0xb6826262 in QChar::isSpace() const () from /usr/lib/libQtCore.so.4
#7  0xb6828776 in QString::trimmed() const () from /usr/lib/libQtCore.so.4
#8  0xb6e56e0a in KMSaveAttachmentsCommand::slotSaveAll() () from /usr/lib/libkmailprivate.so.4
#9  0xb6e576d1 in KMSaveAttachmentsCommand::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkmailprivate.so.4
#10 0xb68e98ac in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#11 0xb68ea4e2 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#12 0xb6e3adf7 in KMLoadPartsCommand::partsRetrieved() () from /usr/lib/libkmailprivate.so.4
#13 0xb6e3c222 in KMLoadPartsCommand::execute() () from /usr/lib/libkmailprivate.so.4
#14 0xb6e588e4 in KMLoadPartsCommand::slotStart() () from /usr/lib/libkmailprivate.so.4
#15 0xb6e4936b in KMCommand::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkmailprivate.so.4
#16 0xb6e4957a in KMLoadPartsCommand::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkmailprivate.so.4
#17 0xb68e98ac in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#18 0xb68ea4e2 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#19 0xb68ee937 in ?? () from /usr/lib/libQtCore.so.4
#20 0xb68eea4c in ?? () from /usr/lib/libQtCore.so.4
#21 0xb68e3a5f in QObject::event(QEvent*) () from /usr/lib/libQtCore.so.4
#22 0xb5f2b3a4 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#23 0xb5f32a8c in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#24 0xb769d0aa in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#25 0xb68d3e8b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#26 0xb69017ce in ?? () from /usr/lib/libQtCore.so.4
#27 0xb68fe8d7 in ?? () from /usr/lib/libQtCore.so.4
#28 0xb405a328 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#29 0xb405dba0 in g_main_context_iterate () from /usr/lib/libglib-2.0.so.0
#30 0xb405dcd3 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#31 0xb68fe5f5 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#32 0xb5fc9185 in ?? () from /usr/lib/libQtGui.so.4
#33 0xb68d2479 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#34 0xb68d28ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#35 0xb68d4d3f in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#36 0xb5f2b227 in QApplication::exec() () from /usr/lib/libQtGui.so.4
#37 0x0804a6b2 in _start ()

Reported using DrKonqi