[patch] Fix path length overflow in realpath (BZ#22786)

[Andreas Schwab]

On Apr 17 2018, Paul Pluzhnikov <ppluzhnikov@google.com> wrote:

> diff --git a/stdlib/test-bz22786.c b/stdlib/test-bz22786.c
> new file mode 100644
> index 0000000000..1b6331ac5c
> --- /dev/null
> +++ b/stdlib/test-bz22786.c
> @@ -0,0 +1,90 @@
> +/* Bug 22786: test for stack overflow in realpath.

This is actually a buffer overflow.  Ok with that change.

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
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