Application: kmail (1.13.6)
KDE Platform Version: 4.6.2 (4.6.2) (Compiled from sources)
Qt Version: 4.7.1
Operating System: Linux 2.6.36-gentoo-r5 x86_64
Distribution (Platform): Gentoo Packages

-- Information about the crash:
- What I was doing when the application crashed:
klick on "attach file" button to attach a file to an email -> immediate crash

-- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
[KCrash Handler]
#6  0x00007f4d090aa7c6 in KFileDialogPrivate::getSaveFileName (dir=<value optimized out>, filter=<value optimized out>, parent=<value optimized out>, caption=<value optimized out>, options=<value optimized out>, selectedFilter=0x5) at /opt/virtual/tmp-portage/portage/kde-base/kdelibs-4.6.2/work/kdelibs-4.6.2/kio/kfile/kfiledialog.cpp:749
#7  0x00007f4d0f6ac312 in _dl_fixup (l=<value optimized out>, reloc_arg=<value optimized out>) at ../elf/dl-runtime.c:118
#8  0x00007f4d0f6b22a5 in _dl_runtime_resolve () at ../sysdeps/x86_64/dl-trampoline.S:41
#9  0x00007f4d0e0f7edc in KMComposeWin::slotAttachFile (this=0x33100a0) at /opt/virtual/tmp-portage/portage/kde-base/kmail-4.4.10/work/kmail-4.4.10/kmail/kmcomposewin.cpp:2289
#10 0x00007f4d0e110801 in KMComposeWin::qt_metacall (this=0x33100a0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff83e22110) at /opt/virtual/tmp-portage/portage/kde-base/kmail-4.4.10/work/kmail-4.4.10_build/kmail/kmcomposewin.moc:245
#11 0x00007f4d0cb631df in QMetaObject::activate (sender=0x13e4190, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x0) at kernel/qobject.cpp:3272
#12 0x00007f4d0d03cc72 in QAction::triggered (this=0x7f4d0c4b0e60, _t1=false) at .moc/release-shared/moc_qaction.cpp:263
#13 0x00007f4d0d03e33b in QAction::activate (this=0x13e4190, event=<value optimized out>) at kernel/qaction.cpp:1257
#14 0x00007f4d0d3fa76a in QAbstractButtonPrivate::click (this=0x2b164a0) at widgets/qabstractbutton.cpp:528
#15 0x00007f4d0d3faa1c in QAbstractButton::mouseReleaseEvent (this=0x29c85a0, e=0x7fff83e22bf0) at widgets/qabstractbutton.cpp:1121
#16 0x00007f4d0d4c89aa in QToolButton::mouseReleaseEvent (this=0x7f4d0c4b0e60, e=0x0) at widgets/qtoolbutton.cpp:721
#17 0x00007f4d0d09a01d in QWidget::event (this=0x29c85a0, event=0x7fff83e22bf0) at kernel/qwidget.cpp:8200
#18 0x00007f4d0d04439c in QApplicationPrivate::notify_helper (this=0x14681c0, receiver=0x29c85a0, e=0x7fff83e22bf0) at kernel/qapplication.cpp:4445
#19 0x00007f4d0d04a01b in QApplication::notify (this=0x7fff83e23860, receiver=0x29c85a0, e=0x7fff83e22bf0) at kernel/qapplication.cpp:4006
#20 0x00007f4d0f268a06 in KApplication::setTopWidget (this=0x7fff83e23860, topWidget=0x7fff83e22bf0) at /opt/virtual/tmp-portage/portage/kde-base/kdelibs-4.6.2/work/kdelibs-4.6.2/kdeui/kernel/kapplication.cpp:1105
#21 0x00007fff83e23860 in ?? ()
#22 0x00007fff83e22bf0 in ?? ()
#23 0x00007f4d0cb4b5fb in QCoreApplication::notifyInternal (this=0x29c85a0, receiver=0x132c340, event=0x7fff83e22bf0) at kernel/qcoreapplication.cpp:732
#24 0x00007f4d0d048882 in sendEvent (receiver=0x29c85a0, event=0x7fff83e22bf0, alienWidget=0x29c85a0, nativeWidget=0x33100a0, buttonDown=<value optimized out>, lastMouseReceiver=<value optimized out>, spontaneous=true) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#25 QApplicationPrivate::sendMouseEvent (receiver=0x29c85a0, event=0x7fff83e22bf0, alienWidget=0x29c85a0, nativeWidget=0x33100a0, buttonDown=<value optimized out>, lastMouseReceiver=<value optimized out>, spontaneous=true) at kernel/qapplication.cpp:3105
#26 0x00007f4d0d0ccf94 in QETWidget::translateMouseEvent (this=0x33100a0, event=<value optimized out>) at kernel/qapplication_x11.cpp:4438
#27 0x00007f4d0d0cbf8a in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fff83e23370) at kernel/qapplication_x11.cpp:3564
#28 0x00007f4d0d0f6052 in x11EventSourceDispatch (s=0x146a750, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#29 0x00007f4d03baf3d1 in g_main_dispatch (context=0x146a460) at gmain.c:2149
#30 g_main_context_dispatch (context=0x146a460) at gmain.c:2702
#31 0x00007f4d03bb3308 in g_main_context_iterate (context=0x146a460, block=<value optimized out>, dispatch=<value optimized out>, self=<value optimized out>) at gmain.c:2780
#32 0x00007f4d03bb34bc in g_main_context_iteration (context=0x146a460, may_block=1) at gmain.c:2843
#33 0x00007f4d0cb775e3 in QEventDispatcherGlib::processEvents (this=0x138de80, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:415
#34 0x00007f4d0d0f59ce in QGuiEventDispatcherGlib::processEvents (this=0x7f4d0c4b0e60, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#35 0x00007f4d0cb4a352 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#36 0x00007f4d0cb4a734 in QEventLoop::exec (this=0x7fff83e23690, flags=) at kernel/qeventloop.cpp:201
#37 0x00007f4d0cb4e7ab in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#38 0x0000000000403712 in main (argc=<value optimized out>, argv=<value optimized out>) at /opt/virtual/tmp-portage/portage/kde-base/kmail-4.4.10/work/kmail-4.4.10/kmail/main.cpp:156

Reported using DrKonqi