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Message-ID: <20240913144736.GZ10433@brightrain.aerifal.cx>
Date: Fri, 13 Sep 2024 10:47:36 -0400
From: Rich Felker <dalias@...c.org>
To: Kate Deplaix <kit-ty-kate@...look.com>
Cc: "musl@...ts.openwall.com" <musl@...ts.openwall.com>
Subject: Re: [PATCH] Increase NGROUPS_MAX from 32 to 1024
On Fri, Sep 13, 2024 at 11:45:13AM +0000, Kate Deplaix wrote:
> Hi,
>
> Is there anything i can do to make a fix for this go forward?
What requirements are you still trying to satisfy? 3f49203c55cc made
it so initgroups accepts arbitrarily many groups independent of
NGROUPS_MAX.
My reading of POSIX is that the macro NGROUPS_MAX is a "minimum
maximum" that any instance of the implementation might impose, which
for us I think is the 32 imposed by old Linux.
sysconf(_SC_NGROUPS_MAX) does not yet expose a larger runtime max; is
that what you'd like to see happen?
Source I'm going on:
https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/limits.h.html
under the heading "Runtime Increasable Values".
Rich
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