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From: "Ludovic Courtès" <ludo@gnu.org>
To: Mark H Weaver <mhw@netris.org>
Cc: Brendan Tildesley <btild@mailbox.org>, 36508@debbugs.gnu.org
Subject: bug#36508: GDM files have incorrect owner after temporarily removing service
Date: Fri, 16 Apr 2021 17:14:11 +0200	[thread overview]
Message-ID: <871rba5kjg.fsf@gnu.org> (raw)
In-Reply-To: <87wnt3gndy.fsf@netris.org> (Mark H. Weaver's message of "Thu, 15 Apr 2021 19:04:30 -0400")

Hi Mark,

Mark H Weaver <mhw@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’.




  reply	other threads:[~2021-04-16 15:16 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-05  8:36 bug#36508: GDM files have incorrect owner after temporarily replacing with SDDM ison
2021-04-13 13:24 ` bug#36508: GDM files have incorrect owner after temporarily removing service Brendan Tildesley via Bug reports for GNU Guix
2021-04-13 20:51   ` Mark H Weaver
2021-04-14  4:31     ` Brendan Tildesley via Bug reports for GNU Guix
2021-04-15 18:09       ` Mark H Weaver
2021-04-14 10:32     ` Ludovic Courtès
2021-04-14 12:21       ` Brendan Tildesley via Bug reports for GNU Guix
2021-04-15 14:24         ` Ludovic Courtès
2021-04-15 18:30       ` Mark H Weaver
2021-04-15 20:05         ` Ludovic Courtès
2021-04-15 22:22           ` Mark H Weaver
2021-04-16 15:18             ` Ludovic Courtès
2021-04-17 16:16               ` Mark H Weaver
2021-04-15 23:04           ` Mark H Weaver
2021-04-16 15:14             ` Ludovic Courtès [this message]
2021-04-15 18:35       ` Mark H Weaver
2021-04-15 18:58       ` Mark H Weaver
2021-04-16 10:42         ` Maxime Devos
2021-04-17 16:28           ` Mark H Weaver
2022-09-18 12:22 ` bug#36508: [DRAFT PATCH] Stable allocation of uids, by keeping a historical mapping Maxime Devos

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