Version:            (using KDE KDE 3.5.7)
Installed from:    Debian testing/unstable Packages

I right-clicked a saved search in the folders pane, and KMail crashed.  :(

Using host libthread_db library "/lib/i686/cmov/libthread_db.so.1".
[Thread debugging using libthread_db enabled]
[New Thread 0xb7f036c0 (LWP 22563)]
[New Thread 0xb617ab90 (LWP 22571)]
[New Thread 0xb697bb90 (LWP 22570)]
[New Thread 0xb717cb90 (LWP 22569)]
[New Thread 0xb797db90 (LWP 22568)]
[KCrash handler]
#6  0x4eb54033 in ?? () from /lib/i686/cmov/libc.so.6
#7  0x4dbee5ac in ?? () from /usr/lib/libqt-mt.so.3
#8  0x08a42200 in ?? ()
#9  0x4dbee5ac in ?? () from /usr/lib/libqt-mt.so.3
#10 0xbfb43cb8 in ?? ()
#11 0x4da116f6 in QGArray (this=) at tools/qgarray.cpp:147
#12 0x4eb5614d in ?? () from /lib/i686/cmov/libc.so.6
#13 0x4d64284d in QMemArray<char>::data (this=) at ../include/qmemarray.h:64
#14 0x4eb57f50 in malloc () from /lib/i686/cmov/libc.so.6
#15 0x4d386d07 in operator new () from /usr/lib/libstdc++.so.6
#16 0x4d386e3d in operator new[] () from /usr/lib/libstdc++.so.6
#17 0x41a8da42 in KMFolderMaildir::getDwString (this=<value optimized out>, 
    idx=<value optimized out>)
    at /build/buildd/kdepim-3.5.7/./kmail/kmfoldermaildir.cpp:580
#18 0x41a884cb in KMFolderMaildir::readMsg (this=<value optimized out>, 
    idx=<value optimized out>)
    at /build/buildd/kdepim-3.5.7/./kmail/kmfoldermaildir.cpp:564
#19 0x419dae6a in FolderStorage::getMsg (this=<value optimized out>, 
    idx=<value optimized out>)
    at /build/buildd/kdepim-3.5.7/./kmail/folderstorage.cpp:477
#20 0x419b9c4b in KMFolder::getMsg (this=)
    at /build/buildd/kdepim-3.5.7/./kmail/kmfolder.cpp:311
#21 0x41a1b0e6 in KMSearchPattern::matches (this=<value optimized out>, 
    serNum=<value optimized out>, ignoreBody=<value optimized out>)
    at /build/buildd/kdepim-3.5.7/./kmail/kmsearchpattern.cpp:769
#22 0x419d8dd8 in FolderStorage::search (this=)
    at /build/buildd/kdepim-3.5.7/./kmail/folderstorage.cpp:1097
#23 0x41b45204 in KMFolderSearch::propagateHeaderChanged (
    this=<value optimized out>, aFolder=<value optimized out>, 
    idx=<value optimized out>)
    at /build/buildd/kdepim-3.5.7/./kmail/kmfoldersearch.cpp:1130
#24 0x41b46be1 in KMFolderSearch::qt_invoke (this=<value optimized out>, 
    _id=<value optimized out>, _o=<value optimized out>)
    at ./kmfoldersearch.moc:292
#25 0x4d71cb10 in QObject::activate_signal (this=) at kernel/qobject.cpp:2356
#26 0x419fa990 in KMFolderMgr::msgHeaderChanged (this=<value optimized out>, 
    t0=<value optimized out>, t1=<value optimized out>)
    at ./kmfoldermgr.moc:239
#27 0x419faebe in KMFolderMgr::qt_emit (this=<value optimized out>, 
    _id=<value optimized out>, _o=<value optimized out>)
    at ./kmfoldermgr.moc:265
#28 0x4d71cc11 in QObject::activate_signal (this=) at kernel/qobject.cpp:2378
#29 0x419bb500 in KMFolder::msgHeaderChanged (this=<value optimized out>, 
    t0=<value optimized out>, t1=<value optimized out>) at ./kmfolder.moc:324
#30 0x419bc0e3 in KMFolder::qt_emit (this=<value optimized out>, 
    _id=<value optimized out>, _o=<value optimized out>) at ./kmfolder.moc:395
#31 0x4d71cae4 in QObject::activate_signal (this=) at kernel/qobject.cpp:2354
#32 0x419d9640 in FolderStorage::msgHeaderChanged (
    this=<value optimized out>, t0=<value optimized out>, 
    t1=<value optimized out>) at ./folderstorage.moc:400
#33 0x419d96f3 in FolderStorage::headerOfMsgChanged (
    this=<value optimized out>, aMsg=<value optimized out>, 
    idx=<value optimized out>)
    at /build/buildd/kdepim-3.5.7/./kmail/folderstorage.cpp:851
#34 0x41a3394a in KMMsgBase::setStatus (this=<value optimized out>, 
    aStatus=<value optimized out>, idx=<value optimized out>)
    at /build/buildd/kdepim-3.5.7/./kmail/kmmsgbase.cpp:255
#35 0x419eab5f in KMMsgInfo::setStatus (this=<value optimized out>, 
    aStatus=<value optimized out>, idx=)
    at /build/buildd/kdepim-3.5.7/./kmail/kmmsginfo.cpp:643
#36 0x419d731c in FolderStorage::markNewAsUnread (this=<value optimized out>)
    at /build/buildd/kdepim-3.5.7/./kmail/folderstorage.cpp:166
#37 0x419ba097 in KMFolder::markNewAsUnread (this=)
    at /build/buildd/kdepim-3.5.7/./kmail/kmfolder.cpp:495
#38 0x4198c0e7 in KMHeaders::setFolder (this=<value optimized out>, 
    aFolder=<value optimized out>, forceJumpToUnread=<value optimized out>)
    at /build/buildd/kdepim-3.5.7/./kmail/kmheaders.cpp:662
#39 0x41b37293 in KMMainWidget::folderSelected (this=<value optimized out>, 
    aFolder=<value optimized out>, forceJumpToUnread=<value optimized out>)
    at /build/buildd/kdepim-3.5.7/./kmail/kmmainwidget.cpp:2014
#40 0x41b3cb27 in KMMainWidget::qt_invoke (this=<value optimized out>, 
    _id=<value optimized out>, _o=<value optimized out>)
    at ./kmmainwidget.moc:505
#41 0x4d71cc3d in QObject::activate_signal (this=) at kernel/qobject.cpp:2380
#42 0x4196198e in KMFolderTree::folderSelected (this=<value optimized out>, 
    t0=<value optimized out>) at ./kmfoldertree.moc:403
#43 0x41964928 in KMFolderTree::doFolderSelected (this=<value optimized out>, 
    qlvi=<value optimized out>, keepSelection=<value optimized out>)
    at /build/buildd/kdepim-3.5.7/./kmail/kmfoldertree.cpp:978
#44 0x41966dd2 in KMFolderTree::slotContextMenuRequested (
    this=<value optimized out>, lvi=<value optimized out>, 
    p=<value optimized out>)
    at /build/buildd/kdepim-3.5.7/./kmail/kmfoldertree.cpp:1009
#45 0x419688e0 in KMFolderTree::qt_invoke (this=<value optimized out>, 
    _id=<value optimized out>, _o=<value optimized out>)
    at ./kmfoldertree.moc:513
#46 0x4d71cb10 in QObject::activate_signal (this=) at kernel/qobject.cpp:2356
#47 0x4dac5a56 in QListView::contextMenuRequested (this=)
    at .moc/debug-shared-mt/moc_qlistview.cpp:515
#48 0x4d819644 in QListView::contentsContextMenuEvent (this=)
    at widgets/qlistview.cpp:4452
#49 0x4d850d46 in QScrollView::viewportContextMenuEvent (this=)
    at widgets/qscrollview.cpp:1886
#50 0x4d852afe in QScrollView::eventFilter (this=)
    at widgets/qscrollview.cpp:1543
#51 0x4d81abc0 in QListView::eventFilter (this=) at widgets/qlistview.cpp:3866
#52 0x41960d59 in KMFolderTree::eventFilter (this=<value optimized out>, 
    o=<value optimized out>, e=<value optimized out>)
    at /build/buildd/kdepim-3.5.7/./kmail/kmfoldertree.cpp:1732
#53 0x4d71a89e in QObject::activate_filters (this=) at kernel/qobject.cpp:903
#54 0x4d71a91c in QObject::event (this=) at kernel/qobject.cpp:735
#55 0x4d753380 in QWidget::event (this=) at kernel/qwidget.cpp:4678
#56 0x4d6b136a in QApplication::internalNotify (this=)
    at kernel/qapplication.cpp:2635
#57 0x4d6b3975 in QApplication::notify (this=) at kernel/qapplication.cpp:2478
#58 0x4df5e192 in KApplication::notify (this=<value optimized out>, 
    receiver=<value optimized out>, event=<value optimized out>)
    at /build/buildd/kdelibs-3.5.7.dfsg.1/./kdecore/kapplication.cpp:550
#59 0x4d64273d in QApplication::sendSpontaneousEvent (receiver=)
    at kernel/qapplication.h:523
#60 0x4d641445 in QETWidget::translateMouseEvent (this=)
    at kernel/qapplication_x11.cpp:4305
#61 0x4d63f858 in QApplication::x11ProcessEvent (this=)
    at kernel/qapplication_x11.cpp:3478
#62 0x4d65667c in QEventLoop::processEvents (this=)
    at kernel/qeventloop_x11.cpp:192
#63 0x4d6cc6e4 in QEventLoop::enterLoop (this=) at kernel/qeventloop.cpp:198
#64 0x4d6cc3e2 in QEventLoop::exec (this=) at kernel/qeventloop.cpp:145
#65 0x4d6b2f13 in QApplication::exec (this=) at kernel/qapplication.cpp:2758
#66 0x0804a26d in main (argc=)
    at /build/buildd/kdepim-3.5.7/./kmail/main.cpp:110
#67 0x4eb02050 in __libc_start_main () from /lib/i686/cmov/libc.so.6
#68 0x0804a001 in _start ()