From: Willy Tarreau <w@1wt.eu>
To: "Thomas Weißschuh" <linux@weissschuh.net>
Cc: Shuah Khan <shuah@kernel.org>,
linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] selftests/nolibc: make stackprotector probing more robust
Date: Fri, 20 Jun 2025 09:40:48 +0200 [thread overview]
Message-ID: <20250620074048.GA22550@1wt.eu> (raw)
In-Reply-To: <20250609-nolibc-stackprotector-robust-v1-1-a1cfc92a568a@weissschuh.net>
On Mon, Jun 09, 2025 at 09:39:16AM +0200, Thomas Weißschuh wrote:
> nolibc only supports symbol-based stackprotectors, based on the global
> variable __stack_chk_guard. Support for this differs between
> architectures and toolchains. Some use the symbol mode by default, some
> require a flag to enable it and some don't support it at all.
>
> Before the nolibc test Makefile required the availability of
> "-mstack-protector-guard=global" to enable stackprotectors.
> While this flag makes sure that the correct mode is available it doesn't
> work where the correct mode is the only supported one and therefore the
> flag is not implemented.
>
> Switch to a more dynamic probing mechanism.
> This correctly enables stack protectors for mips, loongarch and m68k.
>
> Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
(...)
Acked-by: Willy Tarreau <w@1wt.eu>
Willy
prev parent reply other threads:[~2025-06-20 7:48 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-09 7:39 Thomas Weißschuh
2025-06-09 8:24 ` Willy Tarreau
2025-06-20 7:40 ` Willy Tarreau [this message]
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