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From: Florian Weimer <fweimer@redhat.com>
To: John Lumby via Libc-help <libc-help@sourceware.org>
Subject: Re: resolv/tst-resolv-res_init fails with unshare (CLONE_NEWUTS)
 failed: Operation not permitted
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 (John Lumby via Libc-help's message of "Tue, 1 Mar 2022 19:16:20
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* John Lumby via Libc-help:

> Apologies if this has been answered elsewhere.
>
> under linux-5.16.9 I am building and testing glibc-2.35 and get one FAIL in the test suite :   glibc-build/resolv/tst-resolv-res_init.out contains :
>
> warning: could not become root outside namespace (Operation not permitted)
> warning: unshare (CLONE_NEWUTS) failed: Operation not permitted
> warning: could not enter network namespace
>
> I think the cause if that is this code in support/support_become_root.c
>
>        unshare (CLONE_NEWUSER | CLONE_NEWNS)
>
> is getting EPERM.

It's just a warning, so it shouldn't cause a test failure.

Are there any other messages in the resolv/tst-resolv-res_init.out file?

Thanks,
Florian