[RFC PATCH v2 20/41] groups: add getgroups_r() and setgroups_r()

[sashiko-bot at kernel.org]

> Supplementary groups as arrays of __kernel_gid_r_t, so they can include
> UUID and GUID groups. Unlike the set*id_r() calls, "no id" is not
> accepted in the list. getgroups() reports such groups as the overflow
> gid.
> 
> Assisted-by: Claude:claude-opus-5-5
> 
> Signed-off-by: Jan Koester <jan.koester at tuxist.de>

Sashiko has reviewed this patch and found no issues.

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