Bug 111702

Version:           1.8.1 (using KDE 3.4.1, Gentoo)
Compiler:          gcc version 3.3.5-20050130 (Gentoo Linux 3.3.5.20050130-r1, ssp-3.3.5.20050130-1, pie-8.7.7.1)
OS:                Linux (i686) release 2.6.10-gentoo-r6

Plugins used:
 - OpenPGP.

How to Reproduce:
 1. Select an encrypted message from the list. Security check form opens now asking password.
 2. Select any other entry in the message list.
 3. Press Cancel-button in password form.

Expected behaviour:
 - Shows the last selected message after security check form is cancelled.

Backtrace after Kmail crashes:
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Using host libthread_db library "/lib/libthread_db.so.1".
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`system-supplied DSO at 0xffffe000' has disappeared; keeping its symbols.
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[Thread debugging using libthread_db enabled]
[New Thread 16384 (LWP 21582)]
[KCrash handler]
#5  0xb7e45ed8 in KMail::ObjectTreeParser::parseObjectTree ()
   from /usr/kde/3.4/lib/libkmailprivate.so
#6  0xb7d4b604 in KMReaderWin::parseMsg ()
   from /usr/kde/3.4/lib/libkmailprivate.so
#7  0xb7d4af93 in KMReaderWin::displayMessage ()
   from /usr/kde/3.4/lib/libkmailprivate.so
#8  0xb7d4ab77 in KMReaderWin::updateReaderWin ()
   from /usr/kde/3.4/lib/libkmailprivate.so
#9  0xb7d49a76 in KMReaderWin::setMsg ()
   from /usr/kde/3.4/lib/libkmailprivate.so
#10 0xb7d47dd4 in KMReaderWin::slotMessageArrived ()
   from /usr/kde/3.4/lib/libkmailprivate.so
#11 0xb7d51d04 in KMReaderWin::qt_invoke ()
   from /usr/kde/3.4/lib/libkmailprivate.so
#12 0xb626dd4f in QObject::activate_signal () from /usr/qt/3/lib/libqt-mt.so.3
#13 0xb7ea0f68 in KMail::FolderJob::messageRetrieved ()
   from /usr/kde/3.4/lib/libkmailprivate.so
#14 0xb7eab5b9 in KMail::ImapJob::slotGetMessageResult ()
   from /usr/kde/3.4/lib/libkmailprivate.so
#15 0xb7eacc68 in KMail::ImapJob::qt_invoke ()
   from /usr/kde/3.4/lib/libkmailprivate.so
#16 0xb626dd4f in QObject::activate_signal () from /usr/qt/3/lib/libqt-mt.so.3
#17 0xb6e39948 in KIO::Job::result () from /usr/kde/3.4/lib/libkio.so.4
#18 0xb6e22132 in KIO::Job::emitResult () from /usr/kde/3.4/lib/libkio.so.4
#19 0xb6e2361c in KIO::SimpleJob::slotFinished ()
   from /usr/kde/3.4/lib/libkio.so.4
#20 0xb6e2691f in KIO::TransferJob::slotFinished ()
   from /usr/kde/3.4/lib/libkio.so.4
#21 0xb6e3b893 in KIO::TransferJob::qt_invoke ()
   from /usr/kde/3.4/lib/libkio.so.4
#22 0xb626dd4f in QObject::activate_signal () from /usr/qt/3/lib/libqt-mt.so.3
#23 0xb626db96 in QObject::activate_signal () from /usr/qt/3/lib/libqt-mt.so.3
#24 0xb6e1616e in KIO::SlaveInterface::finished ()
   from /usr/kde/3.4/lib/libkio.so.4
#25 0xb6e14ce8 in KIO::SlaveInterface::dispatch ()
   from /usr/kde/3.4/lib/libkio.so.4
#26 0xb6e14169 in KIO::SlaveInterface::dispatch ()
   from /usr/kde/3.4/lib/libkio.so.4
#27 0xb6e11b3b in KIO::Slave::gotInput () from /usr/kde/3.4/lib/libkio.so.4
#28 0xb6e13737 in KIO::Slave::qt_invoke () from /usr/kde/3.4/lib/libkio.so.4
#29 0xb626dd4f in QObject::activate_signal () from /usr/qt/3/lib/libqt-mt.so.3
#30 0xb626dead in QObject::activate_signal () from /usr/qt/3/lib/libqt-mt.so.3
#31 0xb65a16f2 in QSocketNotifier::activated ()
   from /usr/qt/3/lib/libqt-mt.so.3
#32 0xb6289fee in QSocketNotifier::event () from /usr/qt/3/lib/libqt-mt.so.3
#33 0xb6212b7c in QApplication::internalNotify ()
   from /usr/qt/3/lib/libqt-mt.so.3
#34 0xb6211f25 in QApplication::notify () from /usr/qt/3/lib/libqt-mt.so.3
#35 0xb685da12 in KApplication::notify ()
   from /usr/kde/3.4/lib/libkdecore.so.4
#36 0xb62027c1 in QEventLoop::activateSocketNotifiers ()
   from /usr/qt/3/lib/libqt-mt.so.3
#37 0xb61bdfdb in QEventLoop::processEvents ()
   from /usr/qt/3/lib/libqt-mt.so.3
#38 0xb6224998 in QEventLoop::enterLoop () from /usr/qt/3/lib/libqt-mt.so.3
#39 0xb6224848 in QEventLoop::exec () from /usr/qt/3/lib/libqt-mt.so.3
#40 0xb6212db1 in QApplication::exec () from /usr/qt/3/lib/libqt-mt.so.3
#41 0x0804a4bf in ?? ()
#42 0xbffff1c0 in ?? ()
#43 0xbffff0d0 in ?? ()
#44 0x00000000 in ?? ()
#45 0x00000000 in ?? ()
#46 0xb66c2a00 in vtable for QGArray () from /usr/qt/3/lib/libqt-mt.so.3
#47 0x0818db30 in ?? ()
#48 0xb6995e10 in malloc () from /usr/kde/3.4/lib/libkdecore.so.4
#49 0xb5ad156c in __libc_start_main () from /usr/lib/libc.so.6
#50 0x0804a1e1 in ?? ()