linux-hardening - Re: [PATCH v5] proc: add config & param to block forcing mem writes

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Message-ID: <20240802-pudding-wellpappe-98827e258859@brauner>
Date: Fri,  2 Aug 2024 13:22:05 +0200
From: Christian Brauner <brauner@...nel.org>
To: linux-fsdevel@...r.kernel.org,
	Adrian Ratiu <adrian.ratiu@...labora.com>
Cc: Christian Brauner <brauner@...nel.org>,
	linux-security-module@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-hardening@...r.kernel.org,
	kernel@...labora.com,
	gbiv@...gle.com,
	inglorion@...gle.com,
	ajordanr@...gle.com,
	Doug Anderson <dianders@...omium.org>,
	Jeff Xu <jeffxu@...gle.com>,
	Jann Horn <jannh@...gle.com>,
	Kees Cook <kees@...nel.org>,
	Ard Biesheuvel <ardb@...nel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH v5] proc: add config & param to block forcing mem writes

On Fri, 02 Aug 2024 11:02:25 +0300, Adrian Ratiu wrote:
> This adds a Kconfig option and boot param to allow removing
> the FOLL_FORCE flag from /proc/pid/mem write calls because
> it can be abused.
> 
> The traditional forcing behavior is kept as default because
> it can break GDB and some other use cases.
> 
> [...]

Applied to the vfs.misc branch of the vfs/vfs.git tree.
Patches in the vfs.misc branch should appear in linux-next soon.

Please report any outstanding bugs that were missed during review in a
new review to the original patch series allowing us to drop it.

It's encouraged to provide Acked-bys and Reviewed-bys even though the
patch has now been applied. If possible patch trailers will be updated.

Note that commit hashes shown below are subject to change due to rebase,
trailer updates or similar. If in doubt, please check the listed branch.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git
branch: vfs.misc

[1/1] proc: add config & param to block forcing mem writes
      https://git.kernel.org/vfs/vfs/c/26f9eafd16c5