GNU bug report logs - #36508
GDM files have incorrect owner after temporarily replacing with SDDM

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Message #50 received at 36508 <at> debbugs.gnu.org (full text, mbox):

From: Ludovic Courtès <ludo <at> gnu.org>
To: Mark H Weaver <mhw <at> netris.org>
Cc: Brendan Tildesley <btild <at> mailbox.org>, 36508 <at> debbugs.gnu.org
Subject: Re: bug#36508: GDM files have incorrect owner after temporarily
 removing service
Date: Fri, 16 Apr 2021 17:14:11 +0200

Hi Mark,

Mark H Weaver <mhw <at> netris.org> 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’.

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