ubuntuone-preferences crashed with SIGSEGV in free()

[tr33m4n]

Binary package hint: ubuntuone-client

Description: Ubuntu maverick (development branch)
Release: 10.10
ubuntuone-client:
  Installed: 1.4.2-0ubuntu1
  Candidate: 1.4.2-0ubuntu1
  Version table:
 *** 1.4.2-0ubuntu1 0
        500 http://gb.archive.ubuntu.com/ubuntu/ maverick/main amd64 Packages
        100 /var/lib/dpkg/status

First time log in to Ubuntu One from Me Menu... application crashed with the following error

ProblemType: Crash
DistroRelease: Ubuntu 10.10
Package: ubuntuone-client-gnome 1.4.2-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.35-22.33-generic 2.6.35.4
Uname: Linux 2.6.35-22-generic x86_64
Architecture: amd64
Date: Wed Sep 22 12:46:35 2010
ExecutablePath: /usr/bin/ubuntuone-preferences
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Beta amd64 (20100901.1)
InterpreterPath: /usr/bin/python2.6
ProcCmdline: /usr/bin/python /usr/bin/ubuntuone-preferences
ProcEnviron:
 SHELL=/bin/bash
 LANG=en_GB.utf8
SegvAnalysis:
 Segfault happened at: 0x7f7ee4d46c2d <free+29>: mov -0x8(%rdi),%rsi
 PC (0x7f7ee4d46c2d) ok
 source "-0x8(%rdi)" (0xcc000c98) not located in a known VMA region (needed readable region)!
 destination "%rsi" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: ubuntuone-client
StacktraceTop:
 free () from /lib/libc.so.6
 ffi_call_unix64 () from /usr/lib/python2.6/lib-dynload/_ctypes.so
 ffi_call () from /usr/lib/python2.6/lib-dynload/_ctypes.so
 _CallProc () from /usr/lib/python2.6/lib-dynload/_ctypes.so
 ?? () from /usr/lib/python2.6/lib-dynload/_ctypes.so
Title: ubuntuone-preferences crashed with SIGSEGV in free()
UbuntuOnePreferencesLog:
 2010-09-22 12:45:45,949 - ubuntuone-preferences - INFO - Starting Ubuntu One Preferences
 2010-09-22 12:46:34,748 - ubuntuone-preferences - INFO - Got credentials for Ubuntu One
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[Apport retracing service (apport)]

StacktraceTop:
 *__GI___libc_free (mem=0xcc000ca0) at malloc.c:3709
 ffi_call_unix64 ()
 ffi_call ()
 _CallProc (pProc=<value optimized out>,
 CFuncPtr_call (self=0x38ee940, inargs=0x3441b90,