/usr/lib/gvfs/gvfsd-smb-browse:6:talloc_abort:talloc_abort_magic:talloc_chunk_from_ptr:_talloc_free_internal:_talloc_free_children_internal

The Ubuntu Error Tracker has been receiving reports about a problem regarding gvfs. This problem was most recently seen with package version 1:1.28.1-2salbabix27xenial, the problem page at https://errors.ubuntu.com/problem/9dec965bb32f74dd76c6c62ab91e92a8fefe14d6 contains more details, including versions of packages affected, stacktrace or traceback, and individual crash reports.
If you do not have access to the Ubuntu Error Tracker and are a software developer, you can request it at http://forms.canonical.com/reports/.