linux-kernel - Re: [PATCH v3] selftests/seccomp: Fix seccomp failure by adding missing headers

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Date:   Tue, 15 Feb 2022 11:45:42 -0700
From:   Shuah Khan <skhan@...uxfoundation.org>
To:     Sherry Yang <sherry.yang@...cle.com>, shuah@...nel.org,
        keescook@...omium.org, luto@...capital.net, wad@...omium.org,
        christian@...uner.io, ast@...nel.org, daniel@...earbox.net,
        andrii@...nel.org, kafai@...com, songliubraving@...com, yhs@...com,
        john.fastabend@...il.com, kpsingh@...nel.org
Cc:     linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, bpf@...r.kernel.org,
        usama.anjum@...labora.com, Shuah Khan <skhan@...uxfoundation.org>
Subject: Re: [PATCH v3] selftests/seccomp: Fix seccomp failure by adding
 missing headers

On 2/15/22 11:42 AM, Sherry Yang wrote:
> seccomp_bpf failed on tests 47 global.user_notification_filter_empty
> and 48 global.user_notification_filter_empty_threaded when it's
> tested on updated kernel but with old kernel headers. Because old
> kernel headers don't have definition of macro __NR_clone3 which is
> required for these two tests. Use KHDR_INCLUDES to correctly reach
> the installed headers.
> 
> Signed-off-by: Sherry Yang <sherry.yang@...cle.com>
> Tested-by: Sherry Yang <sherry.yang@...cle.com>
> ---
>   tools/testing/selftests/seccomp/Makefile | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/tools/testing/selftests/seccomp/Makefile b/tools/testing/selftests/seccomp/Makefile
> index 0ebfe8b0e147..7eaed95ba4b3 100644
> --- a/tools/testing/selftests/seccomp/Makefile
> +++ b/tools/testing/selftests/seccomp/Makefile
> @@ -1,5 +1,5 @@
>   # SPDX-License-Identifier: GPL-2.0
> -CFLAGS += -Wl,-no-as-needed -Wall
> +CFLAGS += -Wl,-no-as-needed -Wall $(KHDR_INCLUDES)
>   LDFLAGS += -lpthread
>   
>   TEST_GEN_PROGS := seccomp_bpf seccomp_benchmark
> 

Sherry,

Please see comments on v2. Your v2 is in next for rc5.

I pulled in your patch as a fix as is for 5.17-rc5.

Using KHDR_INCLUDES can be separate patch for next release.
This way the fix is going to be pulled for this release
without dependencies on other patches.

thanks,
-- Shuah