linux-hardening - Re: [PATCH v2] acl: Annotate struct posix_acl with __counted

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Message-ID: <20241021-skalpell-kulant-6622b37fc93a@brauner>
Date: Mon, 21 Oct 2024 15:20:03 +0200
From: Christian Brauner <brauner@...nel.org>
To: Thorsten Blum <thorsten.blum@...ux.dev>
Cc: Christian Brauner <brauner@...nel.org>,
	Nathan Chancellor <nathan@...nel.org>,
	linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-hardening@...r.kernel.org,
	Alexander Viro <viro@...iv.linux.org.uk>,
	Jan Kara <jack@...e.cz>,
	Kees Cook <kees@...nel.org>,
	"Gustavo A. R. Silva" <gustavoars@...nel.org>
Subject: Re: [PATCH v2] acl: Annotate struct posix_acl with __counted_by()

On Fri, 18 Oct 2024 14:14:21 +0200, Thorsten Blum wrote:
> Add the __counted_by compiler attribute to the flexible array member
> a_entries to improve access bounds-checking via CONFIG_UBSAN_BOUNDS and
> CONFIG_FORTIFY_SOURCE.
> 
> Use struct_size() to calculate the number of bytes to allocate for new
> and cloned acls and remove the local size variables.
> 
> [...]

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] acl: Annotate struct posix_acl with __counted_by()
      https://git.kernel.org/vfs/vfs/c/ac0812ef00c8