[klibc] klibc sh segfault on invalid substitutions

[Christoph Anton Mitterer]

Hey Ben.

On Sun, 2022-11-27 at 17:51 +0100, Ben Hutchings wrote:
> I don't think I will work on this in klibc until there's a fix in
> upstream dash.  If you're still watching upstream dash, please let me
> know when there's a fix I can pick.

A patch has now been posted for dash at:
https://lore.kernel.org/dash/Y47ZlpwkQy+jiule@gondor.apana.org.au/
which is apparently scheduled to be merged into their git.

Cheers,
Chris.