apport-kde crashed with SIGSEGV in ~QX11WindowSurface()

Binary package hint: apport

Description: Ubuntu karmic (development branch)
Release: 9.10

apport:
  Installed: 1.6-0ubuntu2
  Candidate: 1.6-0ubuntu2
  Version table:
 *** 1.6-0ubuntu2 0
        500 http://archive.ubuntu.com karmic/main Packages
        100 /var/lib/dpkg/status

Auto bug report came up when starting KDM.

ProblemType: Crash
Architecture: i386
CrashReports:
 600:0:0:1974769:2009-07-21 06:33:27.000000000 +0200:2009-07-21 06:33:28.000000000 +0200:/var/crash/bluez.0.crash
 600:1000:1000:1554724:2009-07-26 19:31:54.000000000 +0200:2009-07-26 19:31:55.000000000 +0200:/var/crash/_usr_bin_kdeinit4.1000.crash
 600:1000:1000:197802:2009-07-25 00:05:04.000000000 +0200:2009-07-25 00:05:11.000000000 +0200:/var/crash/_usr_bin_mc.1000.crash
 600:1000:1000:9980692:2009-07-29 06:44:17.000000000 +0200:2009-07-29 06:48:11.000000000 +0200:/var/crash/_usr_share_apport_apport-kde.1000.crash
Date: Wed Jul 29 06:44:02 2009
DistroRelease: Ubuntu 9.10
ExecutablePath: /usr/share/apport/apport-kde
InterpreterPath: /usr/bin/python2.6
NonfreeKernelModules: nvidia
Package: apport-kde 1.6-0ubuntu2
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/share/apport/apport-kde
ProcEnviron:
 LANG=en_US.UTF-8
 SHELL=/bin/bash
 LANGUAGE=
ProcVersionSignature: Ubuntu 2.6.31-4.23-generic
SegvAnalysis:
 Segfault happened at: 0x55a7862 <~QX11WindowSurface+82>: mov 0x8(%eax),%eax
 PC (0x055a7862) ok
 source "0x8(%eax)" (0x00000008) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: apport
StacktraceTop:
 ~QX11WindowSurface (this=0x91940c8,
 ~QWidgetBackingStore (this=0x9194098,
 QWidgetPrivate::deleteExtra (this=0x9348228)
 ~QWidgetPrivate (this=0x9348228,
 ~QDialogPrivate (this=0x9348228,
Title: apport-kde crashed with SIGSEGV in ~QX11WindowSurface()
Uname: Linux 2.6.31-4-generic i686
UserGroups: adm admin audio cdrom dialout dip floppy lpadmin netdev plugdev powerdev scanner video