Re: [PATCH v10 38/40] kselftest/arm64: Add a GCS stress test

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To: Thiago Jung Bauermann <thiago.bauermann@xxxxxxxxxx>
Subject: Re: [PATCH v10 38/40] kselftest/arm64: Add a GCS stress test
From: Mark Brown <broonie@xxxxxxxxxx>
Date: Thu, 8 Aug 2024 09:18:37 +0100
Cc: Catalin Marinas <catalin.marinas@xxxxxxx>, Will Deacon <will@xxxxxxxxxx>, Jonathan Corbet <corbet@xxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Marc Zyngier <maz@xxxxxxxxxx>, Oliver Upton <oliver.upton@xxxxxxxxx>, James Morse <james.morse@xxxxxxx>, Suzuki K Poulose <suzuki.poulose@xxxxxxx>, Arnd Bergmann <arnd@xxxxxxxx>, Oleg Nesterov <oleg@xxxxxxxxxx>, Eric Biederman <ebiederm@xxxxxxxxxxxx>, Shuah Khan <shuah@xxxxxxxxxx>, "Rick P. Edgecombe" <rick.p.edgecombe@xxxxxxxxx>, Deepak Gupta <debug@xxxxxxxxxxxx>, Ard Biesheuvel <ardb@xxxxxxxxxx>, Szabolcs Nagy <Szabolcs.Nagy@xxxxxxx>, Kees Cook <kees@xxxxxxxxxx>, "H.J. Lu" <hjl.tools@xxxxxxxxx>, Paul Walmsley <paul.walmsley@xxxxxxxxxx>, Palmer Dabbelt <palmer@xxxxxxxxxxx>, Albert Ou <aou@xxxxxxxxxxxxxxxxx>, Florian Weimer <fweimer@xxxxxxxxxx>, Christian Brauner <brauner@xxxxxxxxxx>, Ross Burton <ross.burton@xxxxxxx>, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, linux-doc@xxxxxxxxxxxxxxx, kvmarm@xxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linux-arch@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, linux-kselftest@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-riscv@xxxxxxxxxxxxxxxxxxx
In-reply-to: <87y157cz2h.fsf@linaro.org>

On Thu, Aug 08, 2024 at 03:23:50AM -0300, Thiago Jung Bauermann wrote:

> Thank you for the pointer. It turned out that I accidentally ran the
> selftests binaries from the v9 version instead of the v10 version, and
> the gcs-stress-thread binary failed because it was using the old value
> for PR_SET_SHADOW_STACK_STATUS.
> 
> Using the v10 version of the selftests the gcs-stress test passes. Sorry
> for the false alarm.
> 
> Tested-by: Thiago Jung Bauermann <thiago.bauermann@xxxxxxxxxx>

Ah, that's a relief thanks!

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References:
- [PATCH v10 00/40] arm64/gcs: Provide support for GCS in userspace
  - From: Mark Brown
- [PATCH v10 38/40] kselftest/arm64: Add a GCS stress test
  - From: Mark Brown
- Re: [PATCH v10 38/40] kselftest/arm64: Add a GCS stress test
  - From: Thiago Jung Bauermann
- Re: [PATCH v10 38/40] kselftest/arm64: Add a GCS stress test
  - From: Mark Brown
- Re: [PATCH v10 38/40] kselftest/arm64: Add a GCS stress test
  - From: Thiago Jung Bauermann

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