Bug by design in getfsfile(3) / needed sanity check for mountpoints

Giorgos Keramidas keramida at ceid.upatras.gr
Tue Jun 10 00:53:55 UTC 2008

On Mon, 9 Jun 2008 01:34:19 -0700, "Garrett Cooper" <yanefbsd at gmail.com> wrote:
> Hi hackers,
>       I have a question, pending a bug found in getfsfile(3) [1].
>       Is there any possibility where a mountpoint be any value other
> than a directory, a symlink, or "none", i.e. a flat file?
> Thanks,
> -Garrett
> References:
> http://www.freebsd.org/cgi/query-pr.cgi?pr=bin/124409 (not fully in PR
> database yet).

It looks like could be 'fixed' by using realpath() on its argument.
Then this should work fine:

    # fsck /usr/

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