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 [PATCH] selftests/nolibc: make stackprotector probing more robust Thomas Weißschuh
2025-06-09 8:24 ` Willy Tarreau
2025-06-20 7:40 ` Willy Tarreau [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20250620074048.GA22550@1wt.eu \
--to=w@1wt.eu \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-kselftest@vger.kernel.org \
--cc=linux@weissschuh.net \
--cc=shuah@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.