linux-kernel - Re: [PATCH] selftests/seccomp: fix negative

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Message-Id: <174681817502.2378444.17294454871668140127.b4-ty@kernel.org>
Date: Fri,  9 May 2025 12:16:18 -0700
From: Kees Cook <kees@...nel.org>
To: Andy Lutomirski <luto@...capital.net>,
	Will Drewry <wad@...omium.org>,
	Shuah Khan <shuah@...nel.org>,
	Terry Tritton <terry.tritton@...aro.org>
Cc: Kees Cook <kees@...nel.org>,
	linux-kselftest@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] selftests/seccomp: fix negative_ENOSYS tracer tests on arm32

On Fri, 09 May 2025 12:56:22 +0100, Terry Tritton wrote:
> TRACE_syscall.ptrace.negative_ENOSYS and TRACE_syscall.seccomp.negative_ENOSYS
> on arm32 are being reported as failures instead of skipping.
> 
> The teardown_trace_fixture function sets the test to KSFT_FAIL in case of a
> non 0 return value from the tracer process.
> Due to _metadata now being shared between the forked processes the tracer is
> returning the KSFT_SKIP value set by the tracee which is non 0.
> 
> [...]

Ooh yes, nice catch!

Applied to for-next/seccomp, thanks!

[1/1] selftests/seccomp: fix negative_ENOSYS tracer tests on arm32
      https://git.kernel.org/kees/c/73989c998814

Take care,

-- 
Kees Cook