Comment 9 for bug 1381005

I believe this is the commit we need:

commit fb5ef9e7da39968fec6d6f37f20a23d23740c75e
Author: Peter Hurley <email address hidden>
Date: Fri Jan 16 15:05:39 2015 -0500

    n_tty: Fix read buffer overwrite when no newline

It does not cherry pick cleanly, but I'll backport it and build a test kernel. I'll post a link to it shortly.