gvfsd-mtp crashed with SIGSEGV in backend_died()

[Emanuele Boncimino]

It's crashed when I try to unmount the android phone....

ProblemType: Crash
DistroRelease: Ubuntu 13.04
Package: gvfs-backends 1.15.2-0ubuntu1
ProcVersionSignature: Ubuntu 3.8.0-0.4-generic 3.8.0-rc3
Uname: Linux 3.8.0-0-generic x86_64
ApportVersion: 2.8-0ubuntu2
Architecture: amd64
Date: Fri Jan 18 17:57:17 2013
ExecutablePath: /usr/lib/gvfs/gvfsd-mtp
InstallationDate: Installed on 2012-12-28 (21 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
MarkForUpload: True
ProcCmdline: /usr/lib/gvfs/gvfsd-mtp --spawner :1.7 /org/gtk/gvfs/exec_spaw/4
SegvAnalysis:
 Segfault happened at: 0x7f030f84c0bc: mov 0x20(%rax),%rax
 PC (0x7f030f84c0bc) ok
 source "0x20(%rax)" (0xaaaaaaaaaaaaaaca) not located in a known VMA region (needed readable region)!
 destination "%rax" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: gvfs
StacktraceTop:
 ?? () from /usr/lib/x86_64-linux-gnu/gvfs/libgvfsdaemon.so
 ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 g_object_unref () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 g_value_unset () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
Title: gvfsd-mtp crashed with SIGSEGV in g_object_unref()
UpgradeStatus: Upgraded to raring on 2013-01-09 (8 days ago)
UserGroups: adm cdrom davfs2 dip fuse lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

StacktraceTop:
 backend_died (monitor=0x7f02fc001b20, old_backend=<optimized out>) at gvfsmonitor.c:77
 weak_refs_notify (data=0x7f02fc021270) at /build/buildd/glib2.0-2.35.4/./gobject/gobject.c:2470
 g_object_unref (_object=0x6df040) at /build/buildd/glib2.0-2.35.4/./gobject/gobject.c:2987
 g_value_unset (value=value@entry=0x7fff8007dcf0) at /build/buildd/glib2.0-2.35.4/./gobject/gvalue.c:274
 g_signal_emit_valist (instance=0x6df040, signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7fff8007df38) at /build/buildd/glib2.0-2.35.4/./gobject/gsignal.c:3344

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.