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From: "Günther Noack" <gnoack3000@gmail.com>
To: "Mickaël Salaün" <mic@digikod.net>
Cc: John Johansen <john.johansen@canonical.com>,
	Justin Suess <utilityemal77@gmail.com>,
	linux-security-module@vger.kernel.org,
	Tingmao Wang <m@maowtm.org>,
	Samasth Norway Ananda <samasth.norway.ananda@oracle.com>,
	Matthieu Buffet <matthieu@buffet.re>,
	Mikhail Ivanov <ivanov.mikhail1@huawei-partners.com>,
	konstantin.meskhidze@huawei.com,
	Demi Marie Obenour <demiobenour@gmail.com>,
	Alyssa Ross <hi@alyssa.is>, Jann Horn <jannh@google.com>,
	Tahera Fahimi <fahimitahera@gmail.com>
Subject: Re: [PATCH v5 8/9] landlock: Document FS access right for pathname UNIX sockets
Date: Sat, 14 Mar 2026 22:16:14 +0100	[thread overview]
Message-ID: <20260314.0250c4c23397@gnoack.org> (raw)
In-Reply-To: <20260218.AXoosuwo8aen@digikod.net>

On Wed, Feb 18, 2026 at 10:39:23AM +0100, Mickaël Salaün wrote:
> On Sun, Feb 15, 2026 at 11:51:56AM +0100, Günther Noack wrote:
> > --- a/Documentation/userspace-api/landlock.rst
> > +++ b/Documentation/userspace-api/landlock.rst
> > @@ -77,7 +77,8 @@ to be explicit about the denied-by-default access rights.
> >              LANDLOCK_ACCESS_FS_MAKE_SYM |
> >              LANDLOCK_ACCESS_FS_REFER |
> >              LANDLOCK_ACCESS_FS_TRUNCATE |
> > -            LANDLOCK_ACCESS_FS_IOCTL_DEV,
> > +            LANDLOCK_ACCESS_FS_IOCTL_DEV |
> > +            LANDLOCK_ACCESS_FS_RESOLVE_UNIX,
> >          .handled_access_net =
> >              LANDLOCK_ACCESS_NET_BIND_TCP |
> >              LANDLOCK_ACCESS_NET_CONNECT_TCP,
> > @@ -127,6 +128,12 @@ version, and only use the available subset of access rights:
> >          /* Removes LANDLOCK_SCOPE_* for ABI < 6 */
> >          ruleset_attr.scoped &= ~(LANDLOCK_SCOPE_ABSTRACT_UNIX_SOCKET |
> >                                   LANDLOCK_SCOPE_SIGNAL);
> > +        __attribute__((fallthrough));
> > +    case 7:
> > +        __attribute__((fallthrough));
> 
> I don't think the fallthrough attribute is needed here.  Same for the
> sample.

Thanks, done.


> > +    case 8:
> > +        /* Removes LANDLOCK_ACCESS_FS_RESOLVE_UNIX for ABI < 8 */
> 
> ABI < 9

Good catch, done.

–Günther

  reply	other threads:[~2026-03-14 21:16 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-02-15 10:51 [PATCH v5 0/9] landlock: UNIX connect() control by pathname and scope Günther Noack
2026-02-15 10:51 ` [PATCH v5 1/9] lsm: Add LSM hook security_unix_find Günther Noack
2026-02-18  9:36   ` Mickaël Salaün
2026-02-19 13:26     ` Justin Suess
2026-02-19 20:04       ` [PATCH v6] " Justin Suess
2026-02-19 20:26         ` Günther Noack
2026-03-10 22:39           ` Paul Moore
2026-03-11 12:34             ` Justin Suess
2026-03-11 16:08               ` Paul Moore
2026-03-12 11:57                 ` Günther Noack
2026-02-20 15:49         ` Günther Noack
2026-02-21 13:22           ` Justin Suess
2026-02-23 16:09             ` Mickaël Salaün
2026-02-15 10:51 ` [PATCH v5 2/9] landlock: Control pathname UNIX domain socket resolution by path Günther Noack
2026-02-18  9:37   ` Mickaël Salaün
2026-02-19  9:45     ` Mickaël Salaün
2026-02-19 13:59       ` Günther Noack
2026-03-08  9:09         ` Mickaël Salaün
2026-03-08 11:50           ` Mickaël Salaün
2026-03-14 23:15             ` Günther Noack
2026-03-17 21:14               ` Mickaël Salaün
2026-02-20 14:33     ` Günther Noack
2026-03-08  9:18       ` Mickaël Salaün
2026-03-10 15:19         ` Sebastian Andrzej Siewior
2026-03-11  4:46         ` Kuniyuki Iwashima
2026-03-08  9:09   ` Mickaël Salaün
2026-03-15 20:58     ` Günther Noack
2026-02-15 10:51 ` [PATCH v5 3/9] samples/landlock: Add support for named UNIX domain socket restrictions Günther Noack
2026-02-18  9:37   ` Mickaël Salaün
2026-02-20 16:08     ` Günther Noack
2026-02-15 10:51 ` [PATCH v5 4/9] landlock/selftests: Test LANDLOCK_ACCESS_FS_RESOLVE_UNIX Günther Noack
2026-02-18 19:11   ` Mickaël Salaün
2026-02-20 16:27     ` Günther Noack
2026-02-20 17:04       ` Günther Noack
2026-02-15 10:51 ` [PATCH v5 5/9] landlock/selftests: Audit test for LANDLOCK_ACCESS_FS_RESOLVE_UNIX Günther Noack
2026-02-15 10:51 ` [PATCH v5 6/9] landlock/selftests: Check that coredump sockets stay unrestricted Günther Noack
2026-02-18 20:05   ` Mickaël Salaün
2026-02-15 10:51 ` [PATCH v5 7/9] landlock/selftests: fs_test: Simplify ruleset creation and enforcement Günther Noack
2026-02-15 10:51 ` [PATCH v5 8/9] landlock: Document FS access right for pathname UNIX sockets Günther Noack
2026-02-18  9:39   ` Mickaël Salaün
2026-03-14 21:16     ` Günther Noack [this message]
2026-02-15 10:51 ` [PATCH v5 9/9] landlock: Document design rationale for scoped access rights Günther Noack
2026-02-15 18:09   ` Alyssa Ross

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