gvfsd-smb crashed with SIGSEGV in do_query_info()

I was unmounting a shared folder when this crash appear.

ProblemType: Crash
DistroRelease: Ubuntu 13.10
Package: gvfs-backends 1.17.2-0ubuntu2
ProcVersionSignature: Ubuntu 3.10.0-0.7-generic 3.10.0-rc7
Uname: Linux 3.10.0-0-generic x86_64
ApportVersion: 2.10.2-0ubuntu3
Architecture: amd64
Date: Fri Jun 28 16:47:47 2013
ExecutablePath: /usr/lib/gvfs/gvfsd-smb
InstallationDate: Installed on 2013-03-16 (104 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
MarkForUpload: True
ProcCmdline: /usr/lib/gvfs/gvfsd-smb --spawner :1.19 /org/gtk/gvfs/exec_spaw/7
ProcEnviron:
 SHELL=/bin/bash
 XDG_RUNTIME_DIR=<set>
 PATH=(custom, no user)
 LANGUAGE=es:en
 LANG=es_ES.UTF-8
SegvAnalysis:
 Segfault happened at: 0x7f39ad333ff1: cmpb $0x0,(%rax)
 PC (0x7f39ad333ff1) ok
 source "$0x0" ok
 destination "(%rax)" (0x00000170) not located in a known VMA region (needed writable region)!
 Stack memory exhausted (SP below stack segment)
SegvReason: writing NULL VMA
Signal: 11
SourcePackage: gvfs
StacktraceTop:
 ?? () from /usr/lib/x86_64-linux-gnu/libsmbclient.so.0
 ?? ()
 g_vfs_job_run () from /usr/lib/x86_64-linux-gnu/gvfs/libgvfsdaemon.so
 ?? () from /usr/lib/x86_64-linux-gnu/gvfs/libgvfsdaemon.so
 g_thread_pool_thread_proxy (data=<optimized out>) at /build/buildd/glib2.0-2.37.3/./glib/gthreadpool.c:309
Title: gvfsd-smb crashed with SIGSEGV in g_vfs_job_run()
UpgradeStatus: Upgraded to saucy on 2013-03-17 (103 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo