linux-kernel - Re: [PATCH AUTOSEL 6.2 08/30] selftests/bpf: check that modifier resolves after pointer

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Message-ID: <2023052435-xbox-dislike-0ab2@gregkh>
Date:   Wed, 24 May 2023 17:03:59 +0100
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Lorenz Bauer <lmb@...valent.com>
Cc:     Sasha Levin <sashal@...nel.org>, linux-kernel@...r.kernel.org,
        stable@...r.kernel.org, Martin KaFai Lau <martin.lau@...nel.org>,
        ast@...nel.org, daniel@...earbox.net, andrii@...nel.org,
        shuah@...nel.org, yhs@...com, eddyz87@...il.com, sdf@...gle.com,
        error27@...il.com, iii@...ux.ibm.com, memxor@...il.com,
        bpf@...r.kernel.org, linux-kselftest@...r.kernel.org
Subject: Re: [PATCH AUTOSEL 6.2 08/30] selftests/bpf: check that modifier
 resolves after pointer

On Wed, May 24, 2023 at 12:03:43PM +0100, Lorenz Bauer wrote:
> On Tue, Apr 11, 2023 at 4:14 PM Greg KH <gregkh@...uxfoundation.org> wrote:
> >
> > I didn't see anything to do here.
> >
> > And selftests should NOT be broken on stable releases, if so, something
> > is wrong as no other subsystem has that happen.
> 
> Sorry for the long delay in replying, I update the kernels we use for
> CI only infrequently. Here is an example of the build failure I'm
> seeing, from kernel.org 5.10 LTS:
> 
> In file included from
> /work/build/5.10.180/tools/testing/selftests/bpf/verifier/tests.h:59,
>                  from test_verifier.c:355:
> /work/build/5.10.180/tools/testing/selftests/bpf/verifier/ref_tracking.c:935:3:
> error: 'struct bpf_test' has no member named 'fixup_map_ringbuf'; did
> you mean 'fixup_map_in_map'?
>   935 |  .fixup_map_ringbuf = { 11 },
>       |   ^~~~~~~~~~~~~~~~~
>       |   fixup_map_in_map
> 
> This is just doing make -C tools/testing/selftests/bpf after compiling a kernel.

Great, any specific commits that fix this issue would be appreciated to
be pointed at so we can apply them.

thanks,

greg k-h