/usr/lib/tracker/tracker-extract:31:__libc_open:open:tracker_file_open_fd:tracker_extract_get_metadata:get_file_metadata

[errors.ubuntu.com bug bridge]

The Ubuntu Error Tracker has been receiving reports about a problem regarding tracker. This problem was most recently seen with package version 1.12.0-0ubuntu1, the problem page at https://errors.ubuntu.com/problem/4b39df259d38dd7cdef459d695995c7ab6f8fa05 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/.

[Andrea Azzarone (azzar1)]

errors.ubuntu.com shows that 17.04 is the only affected release. I'm closing this bug considering that 17.04 is no longer supported.