Bug 232503

Version:            (using KDE 4.4.1)
Installed from:    Debian testing/unstable Packages

This bug has been copied over from http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=393780

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When I try to send a huge attachment (about 150 MB),
signing it together with my mail, kmail crashes.
I do know that attachement of this size are not (yet)
commonplace, but a crash is always unacceptable. 
Call stack attached.

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(no debugging symbols found)
Using host libthread_db library "/lib/tls/i686/cmov/libthread_db.so.1".
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
[Thread debugging using libthread_db enabled]
[New Thread -1248896800 (LWP 5838)]
[New Thread -1279898704 (LWP 5842)]
[New Thread -1271506000 (LWP 5841)]
[New Thread -1263113296 (LWP 5840)]
[New Thread -1254720592 (LWP 5839)]
[KCrash handler]
#6  0xffffe410 in __kernel_vsyscall ()
#7  0xb784d821 in raise () from /lib/tls/i686/cmov/libc.so.6
#8  0xb784efb9 in abort () from /lib/tls/i686/cmov/libc.so.6
#9  0xb7a3ab74 in __gnu_cxx::__verbose_terminate_handler ()
   from /usr/lib/libstdc++.so.6
#10 0xb7a38595 in std::set_unexpected () from /usr/lib/libstdc++.so.6
#11 0xb7a385d2 in std::terminate () from /usr/lib/libstdc++.so.6
#12 0xb7a3870a in __cxa_throw () from /usr/lib/libstdc++.so.6
#13 0xb7a38b4b in operator new () from /usr/lib/libstdc++.so.6
#14 0xb7a38c1d in operator new[] () from /usr/lib/libstdc++.so.6
#15 0xb6777fb4 in DwString::DwString () from /usr/lib/libmimelib.so.1
#16 0xb677e785 in DwString::_replace () from /usr/lib/libmimelib.so.1
#17 0xb6788f79 in DwString::append () from /usr/lib/libmimelib.so.1
#18 0xb6789021 in DwString::append () from /usr/lib/libmimelib.so.1
#19 0xb6789b02 in DwEntity::Assemble () from /usr/lib/libmimelib.so.1
#20 0xb6775a1c in DwEntity::Assemble () from /usr/lib/libmimelib.so.1
#21 0xb7daa326 in MessageComposer::composeMessage ()
   from /usr/lib/libkmailprivate.so
#22 0xb7dab2f4 in MessageComposer::composeMessage ()
   from /usr/lib/libkmailprivate.so
#23 0xb7ed8a40 in ComposeMessageJob::execute ()
   from /usr/lib/libkmailprivate.so
#24 0xb7bfad68 in MessageComposer::slotDoNextJob ()
   from /usr/lib/libkmailprivate.so
#25 0xb7bfadb2 in MessageComposer::qt_invoke ()
   from /usr/lib/libkmailprivate.so
#26 0xb70e3b87 in QObject::activate_signal () from /usr/lib/libqt-mt.so.3
#27 0xb746cc0b in QSignal::signal () from /usr/lib/libqt-mt.so.3
#28 0xb710370a in QSignal::activate () from /usr/lib/libqt-mt.so.3
#29 0xb710b0dc in QSingleShotTimer::event () from /usr/lib/libqt-mt.so.3
#30 0xb707baea in QApplication::internalNotify () from /usr/lib/libqt-mt.so.3
#31 0xb707d907 in QApplication::notify () from /usr/lib/libqt-mt.so.3
#32 0xb77a3e6e in KApplication::notify (this=0xbf983aa4, receiver=0x84df070, 
    event=0xbf983818)
    at /build/buildd/kdelibs-3.5.5a/./kdecore/kapplication.cpp:550
#33 0xb700f3d1 in QApplication::sendEvent () from /usr/lib/libqt-mt.so.3
#34 0xb706e4e7 in QEventLoop::activateTimers () from /usr/lib/libqt-mt.so.3
#35 0xb702371f in QEventLoop::processEvents () from /usr/lib/libqt-mt.so.3
#36 0xb709603d in QEventLoop::enterLoop () from /usr/lib/libqt-mt.so.3
#37 0xb7095e5e in QEventLoop::exec () from /usr/lib/libqt-mt.so.3
#38 0xb707d683 in QApplication::exec () from /usr/lib/libqt-mt.so.3
#39 0x0804a094 in ?? ()
#40 0xbf983aa4 in ?? ()
#41 0xbf983c90 in ?? ()
#42 0x00000000 in ?? ()