I've added bugreport with patch to gnome bugzilla: https://bugzilla.gnome.org/show_bug.cgi?id=644505. I wonder if Ubuntu maintainers could update gvfs with this patch - it fixes the problem.
** Bug watch added: GNOME Bug Tracker #644505 https://bugzilla.gnome.org/show_bug.cgi?id=644505 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/682850 Title: gvfsd-smb[14571]: segfault at c ip 08056b82 sp bfceb560 error 4 in gvfsd-smb[8048000+1f000] -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
