Subject: bug#36508: GDM files have incorrect owner after temporarily removing service

From: Ludovic Courtès <[email-masked]>
Date: Fri, 16 Apr 2021 17:14:11 +0200

Hi Mark,

Mark H Weaver <[email-masked]> skribis:

> This particular issue is easily addressed.  It's easy enough to find a
> function from 31-hash values to 32-bit IDs that's injective and avoids
> any chosen subset of special IDs, as long as there are fewer than 2^31
> special IDs.
>
> Simply adding 65536 (or even 2^31) to the hash value would be one easy
> option.
>
> What do you think?

Yes, but these special IDs are just examples of things that could go
wrong.  I don’t know, maybe I’m just overly cautious; we have to try to
get a better understanding of how things will go!

Thanks,
Ludo’.