From: Christian Brauner <brauner@kernel.org>
To: Frederick Lawler <fred@cloudflare.com>
Cc: kpsingh@kernel.org, revest@chromium.org, jackmanb@chromium.org,
ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org,
kafai@fb.com, songliubraving@fb.com, yhs@fb.com,
john.fastabend@gmail.com, jmorris@namei.org, serge@hallyn.com,
paul@paul-moore.com, stephen.smalley.work@gmail.com,
eparis@parisplace.org, shuah@kernel.org, casey@schaufler-ca.com,
ebiederm@xmission.com, bpf@vger.kernel.org,
linux-security-module@vger.kernel.org, selinux@vger.kernel.org,
linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org,
netdev@vger.kernel.org, kernel-team@cloudflare.com,
cgzones@googlemail.com, karl@bigbadwolfsecurity.com
Subject: Re: [PATCH v3 2/4] bpf-lsm: Make bpf_lsm_userns_create() sleepable
Date: Fri, 22 Jul 2022 10:18:20 +0200 [thread overview]
Message-ID: <20220722081820.6qlf2pszvvyfra2z@wittgenstein> (raw)
In-Reply-To: <20220721172808.585539-3-fred@cloudflare.com>
On Thu, Jul 21, 2022 at 12:28:06PM -0500, Frederick Lawler wrote:
> Users may want to audit calls to security_create_user_ns() and access
> user space memory. Also create_user_ns() runs without
> pagefault_disabled(). Therefore, make bpf_lsm_userns_create() sleepable
> for mandatory access control policies.
>
> Signed-off-by: Frederick Lawler <fred@cloudflare.com>
>
> ---
Seems reasonable,
Acked-by: Christian Brauner (Microsoft) <brauner@kernel.org>
next prev parent reply other threads:[~2022-07-22 8:18 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-21 17:28 [PATCH v3 0/4] Introduce security_create_user_ns() Frederick Lawler
2022-07-21 17:28 ` [PATCH v3 1/4] security, lsm: " Frederick Lawler
2022-07-22 8:21 ` Christian Brauner
2022-07-21 17:28 ` [PATCH v3 2/4] bpf-lsm: Make bpf_lsm_userns_create() sleepable Frederick Lawler
2022-07-22 8:18 ` Christian Brauner [this message]
2022-07-21 17:28 ` [PATCH v3 3/4] selftests/bpf: Add tests verifying bpf lsm userns_create hook Frederick Lawler
2022-07-22 6:07 ` Martin KaFai Lau
2022-07-22 13:41 ` Frederick Lawler
2022-07-22 8:15 ` Christian Brauner
2022-07-21 17:28 ` [PATCH v3 4/4] selinux: Implement " Frederick Lawler
2022-07-22 6:11 ` [PATCH v3 0/4] Introduce security_create_user_ns() Martin KaFai Lau
2022-07-22 12:20 ` Paul Moore
2022-08-01 13:13 ` Frederick Lawler
2022-08-01 15:19 ` Paul Moore
2022-08-02 21:24 ` KP Singh
2022-08-03 1:49 ` Paul Moore
2022-08-01 15:25 ` Casey Schaufler
2022-08-01 16:34 ` Paul Moore
2022-08-02 21:27 ` KP Singh
2022-08-02 21:33 ` Eric W. Biederman
2022-08-03 15:20 ` Frederick Lawler
2022-07-22 17:05 ` Eric W. Biederman
2022-07-25 22:53 ` Paul Moore
2022-07-26 12:02 ` Djalal Harouni
2022-07-26 14:41 ` Ignat Korchagin
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