gvfsd-smb crashed with SIGSEGV in g_vfs_job_emit_finished()

[Ugo Riboni]

I mount some shares with gvfs-mount then play music from them with rhythmbox.
This crash comes up randomly.

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: gvfs-backends 1.11.4-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-18.28-generic 3.2.9
Uname: Linux 3.2.0-18-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 1.94-0ubuntu2
Architecture: amd64
Date: Wed Mar 7 12:29:57 2012
ExecutablePath: /usr/lib/gvfs/gvfsd-smb
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
ProcCmdline: /usr/lib/gvfs/gvfsd-smb --spawner :1.1 /org/gtk/gvfs/exec_spaw/8
SegvAnalysis:
 Segfault happened at: 0x7fb7e09ba364 <g_vfs_job_emit_finished+4>: movzbl 0x28(%rdi),%eax
 PC (0x7fb7e09ba364) ok
 source "0x28(%rdi)" (0x00000028) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: gvfs
StacktraceTop:
 g_vfs_job_emit_finished () from /usr/lib/x86_64-linux-gnu/gvfs/libgvfsdaemon.so
 ?? () from /usr/lib/x86_64-linux-gnu/gvfs/libgvfsdaemon.so
 ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
 g_simple_async_result_complete () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
Title: gvfsd-smb crashed with SIGSEGV in g_vfs_job_emit_finished()
UpgradeStatus: Upgraded to precise on 2012-03-06 (0 days ago)
UserGroups: adm admin cdrom dialout dip lpadmin plugdev sambashare tty vboxusers

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #838464, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.