gwibber-service crashed with SIGSEGV in auth_session_remote_object_destroyed_cb()

Description: Ubuntu Raring Ringtail (development branch)
Release: 13.04
gwibber:
  Installed: 3.6.0-0ubuntu2
  Candidate: 3.6.0-0ubuntu2
  Version table:
 *** 3.6.0-0ubuntu2 0
        500 http://archive.ubuntu.com/ubuntu/ raring/main amd64 Packages
        100 /var/lib/dpkg/status

Expected to run in background quietly.
Crashes without being touched.

ProblemType: Crash
DistroRelease: Ubuntu 13.04
Package: gwibber-service 3.6.0-0ubuntu2
ProcVersionSignature: Ubuntu 3.8.0-7.15-generic 3.8.0
Uname: Linux 3.8.0-7-generic x86_64
ApportVersion: 2.8-0ubuntu4
Architecture: amd64
CrashCounter: 1
Date: Wed Feb 27 15:32:32 2013
ExecutablePath: /usr/bin/gwibber-service
InstallationDate: Installed on 2013-02-08 (19 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Alpha amd64 (20130207.1)
InterpreterPath: /usr/bin/python2.7
MarkForUpload: True
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/gwibber-service
ProcEnviron:
 LANGUAGE=en_US:en
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7f873c238bee: cmp %rbp,(%rax)
 PC (0x7f873c238bee) ok
 source "%rbp" ok
 destination "(%rax)" (0x700000008) not located in a known VMA region (needed writable region)!
SegvReason: writing unknown VMA
Signal: 11
SourcePackage: gwibber
StacktraceTop:
 ?? () from /usr/lib/x86_64-linux-gnu/libsignon-glib.so.1
 ffi_call_unix64 () from /usr/lib/x86_64-linux-gnu/libffi.so.6
 ffi_call () from /usr/lib/x86_64-linux-gnu/libffi.so.6
 g_cclosure_marshal_generic () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
Title: gwibber-service crashed with SIGSEGV in ffi_call_unix64()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo