[Toybox] mkpasswd crashes in github ci

[Rob Landley]

On 6/5/25 08:51, enh wrote:
> doesn't affect android's build because we don't build mkpasswd, but
> the mkpasswd tests are failing on github with sigsegv:

Sigh, the updated the ASAN plumbing, didn't they?

https://landley.net/notes-2024.html#04-07-2024

When you enable ASAN on current gcc toolchains, crypt() drops out and 
becomes a NULL pointer dereference. I don't know why. I need to put a 
crypt() implementation in lib/hash.c.

If you disable ASAN, the tests pass just fine. ASAN is what breaks them.

Rob