From: Catalin Marinas <catalin.marinas@arm.com>
To: Mark Brown <broonie@kernel.org>
Cc: "Rick P. Edgecombe" <rick.p.edgecombe@intel.com>,
Deepak Gupta <debug@rivosinc.com>,
Szabolcs Nagy <Szabolcs.Nagy@arm.com>,
"H.J. Lu" <hjl.tools@gmail.com>,
Florian Weimer <fweimer@redhat.com>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
Peter Zijlstra <peterz@infradead.org>,
Juri Lelli <juri.lelli@redhat.com>,
Vincent Guittot <vincent.guittot@linaro.org>,
Dietmar Eggemann <dietmar.eggemann@arm.com>,
Steven Rostedt <rostedt@goodmis.org>,
Ben Segall <bsegall@google.com>, Mel Gorman <mgorman@suse.de>,
Valentin Schneider <vschneid@redhat.com>,
Christian Brauner <brauner@kernel.org>,
Shuah Khan <shuah@kernel.org>,
linux-kernel@vger.kernel.org, Will Deacon <will@kernel.org>,
jannh@google.com, Yury Khrustalev <yury.khrustalev@arm.com>,
Wilco Dijkstra <wilco.dijkstra@arm.com>,
linux-kselftest@vger.kernel.org, linux-api@vger.kernel.org,
Kees Cook <kees@kernel.org>,
Shuah Khan <skhan@linuxfoundation.org>
Subject: Re: [PATCH RFT v17 3/8] selftests: Provide helper header for shadow stack testing
Date: Thu, 26 Jun 2025 12:50:23 +0100 [thread overview]
Message-ID: <aF0z_7Q_ETj7Cjro@arm.com> (raw)
In-Reply-To: <20250609-clone3-shadow-stack-v17-3-8840ed97ff6f@kernel.org>
On Mon, Jun 09, 2025 at 01:54:04PM +0100, Mark Brown wrote:
> While almost all users of shadow stacks should be relying on the dynamic
> linker and libc to enable the feature there are several low level test
> programs where it is useful to enable without any libc support, allowing
> testing without full system enablement. This low level testing is helpful
> during bringup of the support itself, and also in enabling coverage by
> automated testing without needing all system components in the target root
> filesystems to have enablement.
>
> Provide a header with helpers for this purpose, intended for use only by
> test programs directly exercising shadow stack interfaces.
>
> Reviewed-by: Rick Edgecombe <rick.p.edgecombe@intel.com>
> Reviewed-by: Kees Cook <kees@kernel.org>
> Tested-by: Kees Cook <kees@kernel.org>
> Acked-by: Shuah Khan <skhan@linuxfoundation.org>
> Signed-off-by: Mark Brown <broonie@kernel.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
next prev parent reply other threads:[~2025-06-26 11:50 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-09 12:54 [PATCH RFT v17 0/8] fork: Support shadow stacks in clone3() Mark Brown
2025-06-09 12:54 ` [PATCH RFT v17 1/8] arm64/gcs: Return a success value from gcs_alloc_thread_stack() Mark Brown
2025-06-09 12:54 ` [PATCH RFT v17 2/8] Documentation: userspace-api: Add shadow stack API documentation Mark Brown
2025-06-09 12:54 ` [PATCH RFT v17 3/8] selftests: Provide helper header for shadow stack testing Mark Brown
2025-06-26 11:50 ` Catalin Marinas [this message]
2025-06-09 12:54 ` [PATCH RFT v17 4/8] fork: Add shadow stack support to clone3() Mark Brown
2025-06-10 15:14 ` Yury Khrustalev
2025-06-27 17:19 ` Catalin Marinas
2025-06-27 21:31 ` Mark Brown
2025-06-09 12:54 ` [PATCH RFT v17 5/8] selftests/clone3: Remove redundant flushes of output streams Mark Brown
2025-06-09 12:54 ` [PATCH RFT v17 6/8] selftests/clone3: Factor more of main loop into test_clone3() Mark Brown
2025-06-09 12:54 ` [PATCH RFT v17 7/8] selftests/clone3: Allow tests to flag if -E2BIG is a valid error code Mark Brown
2025-06-09 12:54 ` [PATCH RFT v17 8/8] selftests/clone3: Test shadow stack support Mark Brown
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