users-admin crashed with SIGSEGV in magazine_cache_push_magazine()

[Dan Becker]

Ubuntu Trusty Tahr (development branch)
Release: 14.04

Internal error popped up after creating a new user.
Error repeated after creating second user.

ProblemType: Crash
DistroRelease: Ubuntu 14.04
Package: gnome-system-tools 3.0.0-3ubuntu2
ProcVersionSignature: Ubuntu 3.13.0-12.32-generic 3.13.4
Uname: Linux 3.13.0-12-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.13.2-0ubuntu5
Architecture: amd64
CurrentDesktop: XFCE
Date: Wed Feb 26 20:32:43 2014
ExecutablePath: /usr/bin/users-admin
InstallationDate: Installed on 2014-02-19 (7 days ago)
InstallationMedia: Xubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140218)
ProcCmdline: users-admin
ProcEnviron:
 LANGUAGE=en_US
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7f68bb6009dd: mov (%rsi),%rdx
 PC (0x7f68bb6009dd) ok
 source "(%rsi)" (0x00000000) not located in a known VMA region (needed readable region)!
 destination "%rdx" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: gnome-system-tools
StacktraceTop:
 ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 g_slice_free1 () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 g_type_free_instance () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
Title: users-admin crashed with SIGSEGV in g_slice_free1()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dialout dip lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

StacktraceTop:
 magazine_cache_push_magazine (ix=12, magazine_chunks=<optimized out>, count=7) at /build/buildd/glib2.0-2.39.90/./glib/gslice.c:700
 thread_memory_magazine2_unload (ix=<optimized out>, tmem=<optimized out>) at /build/buildd/glib2.0-2.39.90/./glib/gslice.c:809
 g_slice_free1 (mem_size=<optimized out>, mem_block=0x228f200) at /build/buildd/glib2.0-2.39.90/./glib/gslice.c:1094
 g_type_free_instance (instance=0x228f2a0) at /build/buildd/glib2.0-2.39.90/./gobject/gtype.c:1938
 _gtk_tree_data_list_free (list=<optimized out>, column_headers=column_headers@entry=0x1fa4d30) at /build/buildd/gtk+3.0-3.10.7/./gtk/gtktreedatalist.c:52