From: Kees Cook <keescook@chromium.org>
To: "Alexander Popov" <alex.popov@linux.com>,
"Thomas Weißschuh" <linux@weissschuh.net>
Cc: Kees Cook <keescook@chromium.org>,
linux-hardening@vger.kernel.org, linux-kernel@vger.kernel.org,
stable@vger.kernel.org, Luis Chamberlain <mcgrof@kernel.org>,
Joel Granados <j.granados@samsung.com>
Subject: Re: [PATCH] stackleak: don't modify ctl_table argument
Date: Fri, 3 May 2024 12:35:48 -0700 [thread overview]
Message-ID: <171476494554.2457276.4385338995352491886.b4-ty@chromium.org> (raw)
In-Reply-To: <20240503-sysctl-const-stackleak-v1-1-603fecb19170@weissschuh.net>
On Fri, 03 May 2024 15:44:09 +0200, Thomas Weißschuh wrote:
> Sysctl handlers are not supposed to modify the ctl_table passed to them.
> Adapt the logic to work with a temporary
> variable, similar to how it is done in other parts of the kernel.
>
> This is also a prerequisite to enforce the immutability of the argument
> through the callbacks prototy.
>
> [...]
Applied to for-next/hardening, thanks!
[1/1] stackleak: don't modify ctl_table argument
https://git.kernel.org/kees/c/0e148d3cca0d
Take care,
--
Kees Cook
prev parent reply other threads:[~2024-05-03 19:36 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-03 13:44 [PATCH] stackleak: don't modify ctl_table argument Thomas Weißschuh
2024-05-03 13:58 ` Tycho Andersen
2024-05-03 17:55 ` Kees Cook
2024-05-03 18:24 ` linux
2024-05-03 19:31 ` Kees Cook
2024-05-03 19:35 ` Kees Cook [this message]
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