linux-kernel - Re: [PATCH 0/2] kselftest/arm64: Avoid detecting spurious PAC key collisions

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Message-Id: <173142698242.893467.5937732812824342152.b4-ty@arm.com>
Date: Tue, 12 Nov 2024 16:07:30 +0000
From: Catalin Marinas <catalin.marinas@....com>
To: Will Deacon <will@...nel.org>,
	Shuah Khan <shuah@...nel.org>,
	Mark Brown <broonie@...nel.org>
Cc: linux-arm-kernel@...ts.infradead.org,
	linux-kselftest@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/2] kselftest/arm64: Avoid detecting spurious PAC key collisions

On Mon, 11 Nov 2024 16:18:54 +0000, Mark Brown wrote:
> The PAC tests currently generate a very small number of false failures
> since the limited size of PAC keys, especially with fewer bits allocated
> for PAC due to larger VA, means collisions in generated PACs are
> possible even if the PAC keys are different.  The test tries to work around
> this by testing repeatedly but doesn't iterate often enough to be
> reliable.
> 
> [...]

Applied to arm64 (for-next/kselftest), thanks!

[1/2] kselftest/arm64: Don't leak pipe fds in pac.exec_sign_all()
      https://git.kernel.org/arm64/c/27141b690547
[2/2] kselftest/arm64: Try harder to generate different keys during PAC tests
      https://git.kernel.org/arm64/c/91a6533811bb

-- 
Catalin