linux-kernel - Re: [PATCH v2 0/8] tools/nolibc: add support for stack protector

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Message-ID: <ZBjY4FuLLbMeJM4t@1wt.eu>
Date:   Mon, 20 Mar 2023 23:06:24 +0100
From:   Willy Tarreau <w@....eu>
To:     Thomas Weißschuh <linux@...ssschuh.net>
Cc:     Shuah Khan <shuah@...nel.org>, linux-kernel@...r.kernel.org,
        linux-kselftest@...r.kernel.org
Subject: Re: [PATCH v2 0/8] tools/nolibc: add support for stack protector

Hi Thomas,

On Mon, Mar 20, 2023 at 03:41:00PM +0000, Thomas Weißschuh wrote:
> This is useful when using nolibc for security-critical tools.
> Using nolibc has the advantage that the code is easily auditable and
> sandboxable with seccomp as no unexpected syscalls are used.
> Using compiler-assistent stack protection provides another security
> mechanism.
(...)

Thanks for this. I had a quick look over the patches and at first glance
it looks OK. I'll give it a try before this week-end on all supported
archs to rule out any potential side effect, and will queue it.

cheers,
Willy