From: "Günther Noack" <gnoack3000@gmail.com>
To: "Günther Noack" <gnoack@google.com>
Cc: "Mickaël Salaün" <mic@digikod.net>,
"Christian Brauner" <brauner@kernel.org>,
linux-security-module@vger.kernel.org,
"Paul Moore" <paul@paul-moore.com>,
"Amir Goldstein" <amir73il@gmail.com>,
"Miklos Szeredi" <miklos@szeredi.hu>,
"Serge Hallyn" <serge@hallyn.com>,
"Stephen Smalley" <stephen.smalley.work@gmail.com>,
stable@vger.kernel.org
Subject: Re: [PATCH v6 2/6] landlock: Require LANDLOCK_ACCESS_FS_MAKE_REG for whiteout creation
Date: Fri, 28 Aug 2026 17:45:37 +0200 [thread overview]
Message-ID: <20260828.dc270da340a3@gnoack.org> (raw)
In-Reply-To: <20260813093157.1436894-3-gnoack@google.com>
On Thu, Aug 13, 2026 at 11:31:53AM +0200, Günther Noack wrote:
> diff --git a/include/uapi/linux/landlock.h b/include/uapi/linux/landlock.h
> index 7ffe2ef127ee..9c1102ebf06e 100644
> --- a/include/uapi/linux/landlock.h
> +++ b/include/uapi/linux/landlock.h
> @@ -351,6 +351,7 @@ struct landlock_net_port_attr {
> * device.
> * - %LANDLOCK_ACCESS_FS_MAKE_DIR: Create (or rename) a directory.
> * - %LANDLOCK_ACCESS_FS_MAKE_REG: Create (or rename or link) a regular file.
> + * This also guards the creation of whiteout objects as used in OverlayFS.
I will send an update to the man page adding this line.
Tracking bug for Landlock man page updates:
https://github.com/landlock-lsm/linux/issues/66
–Günther
next prev parent reply other threads:[~2026-08-28 15:45 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-13 9:31 [PATCH v6 0/6] landlock: Restrict whiteout object creation Günther Noack
2026-08-13 9:31 ` [PATCH v6 1/6] selftests/landlock: Use an actual chardev for MAKE_CHAR audit test Günther Noack
2026-08-13 9:31 ` [PATCH v6 2/6] landlock: Require LANDLOCK_ACCESS_FS_MAKE_REG for whiteout creation Günther Noack
2026-08-28 15:45 ` Günther Noack [this message]
2026-08-13 9:31 ` [PATCH v6 3/6] selftests/landlock: Add tests for whiteout object creation Günther Noack
2026-08-13 11:54 ` Günther Noack
2026-08-13 9:31 ` [PATCH v6 4/6] selftests/landlock: Add audit test " Günther Noack
2026-08-13 9:31 ` [PATCH v6 5/6] selftests/landlock: Test whiteout object behaviour in OverlayFS renames Günther Noack
2026-08-13 9:31 ` [PATCH v6 6/6] landlock: Link the erratum documentation for whiteout objects Günther Noack
2026-08-14 10:47 ` [PATCH v6 0/6] landlock: Restrict whiteout object creation Mickaël Salaün
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