polkit-gnome-authentication-agent-1 segfault at 14 ip b7059eb8 sp bfcb8570 error 4 in libglib-2.0.so.0.2791.0

Binary package hint: policykit-1-gnome

natty i386 updated

into kernel.log, get:

kernel: [ 2147.594478] polkit-gnome-au[2671]: segfault at 14 ip b7059eb8 sp bfcb8570 error 4 in libglib-2.0.so.0.2791.0[b7036000+d1000]
kernel: Kernel logging (proc) stopped.
kernel: imklog 4.6.4, log source = /proc/kmsg started.

it try to read from an unreadable VMA

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: policykit-1-gnome 0.99-1ubuntu3
ProcVersionSignature: Ubuntu 2.6.37-12.26-generic-pae 2.6.37
Uname: Linux 2.6.37-12-generic-pae i686
NonfreeKernelModules: nvidia
Architecture: i386
Date: Mon Jan 24 08:12:49 2011
ExecutablePath: /usr/lib/policykit-1-gnome/polkit-gnome-authentication-agent-1
ProcCmdline: /usr/lib/policykit-1-gnome/polkit-gnome-authentication-agent-1
ProcEnviron:
 LANGUAGE=fr_FR:fr:en_GB:en
 LANG=fr_FR.UTF-8
 LC_MESSAGES=fr_FR.utf8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0xb7059eb8 <g_datalist_id_set_data_full+744>: cmp 0x4(%eax),%edi
 PC (0xb7059eb8) ok
 source "0x4(%eax)" (0x00000014) 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 audio avahi avahi-autoipd boinc cdrom couchdb crontab daemon debian-tor dialout disk fuse gdm haldaemon klog kmem libuuid lpadmin mail messagebus mlocate mysql mythtv netdev ntp operator plugdev polkituser pulse root sambashare saned shadow ssh ssl-cert sudo syslog tty users utmp video voice www-data