gvfsd-smb crashed with SIGSEGV in smbc_free_context()

No idea what happened.

ProblemType: Crash
DistroRelease: Ubuntu 13.04
Package: gvfs-backends 1.15.4-0ubuntu1
ProcVersionSignature: Ubuntu 3.8.0-12.21-generic 3.8.2
Uname: Linux 3.8.0-12-generic x86_64
ApportVersion: 2.9.1-0ubuntu1
Architecture: amd64
CheckboxSubmission: 2f383a1679e8525d7196eb2518a1921f
CheckboxSystem: bb422ca46d02494cdbc459927a98bc2f
Date: Thu Mar 14 07:07:19 2013
ExecutablePath: /usr/lib/gvfs/gvfsd-smb
InstallationDate: Installed on 2011-08-19 (572 days ago)
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Alpha amd64 (20110817)
MarkForUpload: True
ProcCmdline: /usr/lib/gvfs/gvfsd-smb --spawner :1.4 /org/gtk/gvfs/exec_spaw/6
SegvAnalysis:
 Segfault happened at: 0x7f51e80efe6c <smbc_free_context+60>: mov 0x430(%rax),%rbx
 PC (0x7f51e80efe6c) ok
 source "0x430(%rax)" (0x000005a0) not located in a known VMA region (needed readable region)!
 destination "%rbx" ok
 Stack memory exhausted (SP below stack segment)
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: gvfs
StacktraceTop:
 smbc_free_context () from /usr/lib/x86_64-linux-gnu/libsmbclient.so.0
 ?? ()
 ?? () from /usr/lib/x86_64-linux-gnu/gvfs/libgvfsdaemon.so
 g_vfs_job_run () from /usr/lib/x86_64-linux-gnu/gvfs/libgvfsdaemon.so
 ?? () from /usr/lib/x86_64-linux-gnu/gvfs/libgvfsdaemon.so
Title: gvfsd-smb crashed with SIGSEGV in smbc_free_context()
UpgradeStatus: Upgraded to raring on 2013-01-17 (55 days ago)
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