polkit-gnome-authentication-agent-1 crashed with SIGSEGV in g_datalist_id_set_data_full()

Binary package hint: policykit-1-gnome

Crash on natty alpha (virtualbox 4.0) when trying to start apport-gtk.

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: policykit-1-gnome 0.99-1ubuntu3
ProcVersionSignature: Ubuntu 2.6.37-11.25-generic 2.6.37-rc7
Uname: Linux 2.6.37-11-generic i686
Architecture: i386
Date: Fri Jan 7 00:49:04 2011
ExecutablePath: /usr/lib/policykit-1-gnome/polkit-gnome-authentication-agent-1
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha i386 (20101202)
ProcCmdline: /usr/lib/policykit-1-gnome/polkit-gnome-authentication-agent-1
ProcEnviron:
 LANGUAGE=de_DE:de:en_GB:en
 LANG=de_DE.UTF-8
 LC_MESSAGES=de_DE.utf8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0xd8ceb7 <g_datalist_id_set_data_full+727>: cmp 0x4(%esi),%edi
 PC (0x00d8ceb7) ok
 source "0x4(%esi)" (0x00000024) not located in a known VMA region (needed readable region)!
 destination "%edi" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: policykit-1-gnome
StacktraceTop:
 g_datalist_id_set_data_full () from /lib/libglib-2.0.so.0
 g_object_unref () from /usr/lib/libgobject-2.0.so.0
 ?? ()
 __libc_start_main () from /lib/libc.so.6
 ?? ()
Title: polkit-gnome-authentication-agent-1 crashed with SIGSEGV in g_datalist_id_set_data_full()
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
XsessionErrors:
 (nautilus:1252): GConf-CRITICAL **: gconf_value_free: assertion `value != NULL' failed
 (nm-applet:1262): Gtk-CRITICAL **: IA__gtk_widget_is_toplevel: assertion `GTK_IS_WIDGET (widget)' failed