[user-accounts]: gnome-control-center crashed with SIGSEGV in um_user_set_automatic_login()

[Vadim Rutkovsky]

TESTCASE:
1) In Live Session open 'User Accounts'
2) Try to change avatar for displayed user

Result: g-c-c crashes
Expected: avatar cannot be changed, as no user selected

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: gnome-control-center 1:3.2.2-0ubuntu2
ProcVersionSignature: Ubuntu 3.2.0-2.5-generic 3.2.0-rc3
Uname: Linux 3.2.0-2-generic i686
ApportVersion: 1.90-0ubuntu1
Architecture: i386
CasperVersion: 1.292
Date: Tue Dec 13 09:51:25 2011
ExecutablePath: /usr/bin/gnome-control-center
LiveMediaBuild: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha i386 (20111129.1)
ProcCmdline: gnome-control-center --overview
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x864943d: mov 0x10(%eax),%eax
 PC (0x0864943d) ok
 source "0x10(%eax)" (0x00000010) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: gnome-control-center
StacktraceTop:
 ?? () from /usr/lib/control-center-1/panels/libuser-accounts.so
 ?? () from /usr/lib/control-center-1/panels/libuser-accounts.so
 g_cclosure_marshal_VOID__PARAM () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
 g_closure_invoke () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
 ?? () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
Title: gnome-control-center crashed with SIGSEGV in g_cclosure_marshal_VOID__PARAM()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
usr_lib_gnome-control-center:
 deja-dup 21.1-0ubuntu2
 gnome-bluetooth 3.2.1-1ubuntu1
 indicator-datetime 0.3.1-0ubuntu2

[Apport retracing service (apport)]

StacktraceTop:
 um_user_set_automatic_login (user=0x0, enabled=1) at um-user.c:1075
 autologin_changed (object=0x20969138, pspec=0x209e9720, d=0x207c7208) at um-user-panel.c:532
 g_flags_complete_type_info (g_flags_type=2, info=0x1f8, const_values=0x1) at /build/buildd/glib2.0-2.31.4.is.2.31.2/./gobject/genums.c:320
 _cairo_clip_path_destroy (clip_path=0xbfad3d18) at /build/buildd/cairo-1.10.2/src/cairo-clip.c:91
 g_closure_add_marshal_guards (closure=0x110b400, pre_marshal_data=0x321d8f, pre_marshal_notify=0x8, post_marshal_data=0x317ff4, post_marshal_notify=0x322df0 <__pthread_mutex_unlock>) at /build/buildd/glib2.0-2.31.4.is.2.31.2/./gobject/gclosure.c:376

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.