svn commit: r359689 - head/usr.sbin/config

[Enji Cooper]

> On Apr 7, 2020, at 7:14 AM, Kyle Evans <kevans at FreeBSD.org> wrote:
> 
> Author: kevans
> Date: Tue Apr  7 14:14:59 2020
> New Revision: 359689
> URL: https://svnweb.freebsd.org/changeset/base/359689
> 
> Log:
>  config(8): "fix" a couple of buffer overflows
> 
>  Recently added/changed lines in various kernel configs have caused some
>  buffer overflows that went undetected. These were detected with a config
>  built using -fno-common as these line buffers smashed one of our arrays,
>  then further triaged with ASAN.
> 
>  Double the sizes; this is really not a great fix, but addresses the
>  immediate need until someone rewrites config. While here, add some bounds
>  checking so that we don't need to detect this by random bus errors or other
>  weird failures.

	Good catch! This seems like it deserves a follow up PR in Bugzilla.
Cheers,
-Enji