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Date: Tue, 21 Jul 2026 09:46:54 +0200
From: Greg KH <gregkh@linuxfoundation.org>
To: Shung-Hsi Yu <shung-hsi.yu@suse.com>
Cc: Sasha Levin <sashal@kernel.org>, stable@vger.kernel.org
Subject: Re: BPF selftests compilation failure due to
 selftests-bpf-initialize-operation-name-before-use.patch
Message-ID: <2026072148-unskilled-falcon-e39e@gregkh>
References: <al8dSv_OvhwxFCar@u94a>
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In-Reply-To: <al8dSv_OvhwxFCar@u94a>

On Tue, Jul 21, 2026 at 03:21:55PM +0800, Shung-Hsi Yu wrote:
> Hi Sasha,
> 
> I am running into BPF selftests compilation error on 6.18 (but it
> possibly affect other branches as well, haven't check) due to
> selftests-bpf-initialize-operation-name-before-use.patch currently
> sitting in stable-queue:
> 
> /tmp/work/linux-stable/linux-stable/tools/testing/selftests/bpf/prog_tests/verifier_log.c: In function ‘verif_btf_log_subtest’:
> /tmp/work/linux-stable/linux-stable/tools/testing/selftests/bpf/prog_tests/verifier_log.c:320:9: error: implicit declaration of function ‘strscpy’; did you mean ‘strlcpy’? [-Werror=implicit-function-declaration]
>   320 |         strscpy(op_name, "log_fixed", sizeof(op_name));
>       |         ^~~~~~~
>       |         strlcpy
> 
> Can you pick up commit 63c49efc987a ("selftests/bpf: Add simple
> strscpy() implementation") along? I think that should be enough to fix
> the build failure.

Now applied, thanks.

greg k-h