Re: [PATCH v3 2/4] bpf-lsm: Make bpf_lsm_userns_create() sleepable

[PATCH v3 0/4] Introduce security_create_user_ns() · Frederick Lawler <hidden> · 2022-07-21
[PATCH v3 1/4] security, lsm: Introduce security_create_user_ns() · Frederick Lawler <hidden> · 2022-07-21
Re: [PATCH v3 1/4] security, lsm: Introduce security_create_user_ns() · Christian Brauner <brauner@kernel.org> · 2022-07-22
[PATCH v3 2/4] bpf-lsm: Make bpf_lsm_userns_create() sleepable · Frederick Lawler <hidden> · 2022-07-21
Re: [PATCH v3 2/4] bpf-lsm: Make bpf_lsm_userns_create() sleepable · Christian Brauner <brauner@kernel.org> · 2022-07-22
[PATCH v3 3/4] selftests/bpf: Add tests verifying bpf lsm userns_create hook · Frederick Lawler <hidden> · 2022-07-21
Re: [PATCH v3 3/4] selftests/bpf: Add tests verifying bpf lsm userns_create hook · Martin KaFai Lau <hidden> · 2022-07-22
Re: [PATCH v3 3/4] selftests/bpf: Add tests verifying bpf lsm userns_create hook · Frederick Lawler <hidden> · 2022-07-22
Re: [PATCH v3 3/4] selftests/bpf: Add tests verifying bpf lsm userns_create hook · Christian Brauner <brauner@kernel.org> · 2022-07-22
[PATCH v3 4/4] selinux: Implement userns_create hook · Frederick Lawler <hidden> · 2022-07-21
Re: [PATCH v3 0/4] Introduce security_create_user_ns() · Martin KaFai Lau <hidden> · 2022-07-22
Re: [PATCH v3 0/4] Introduce security_create_user_ns() · Paul Moore <paul@paul-moore.com> · 2022-07-22
Re: [PATCH v3 0/4] Introduce security_create_user_ns() · Frederick Lawler <hidden> · 2022-08-01
Re: [PATCH v3 0/4] Introduce security_create_user_ns() · Paul Moore <paul@paul-moore.com> · 2022-08-01
Re: [PATCH v3 0/4] Introduce security_create_user_ns() · KP Singh <kpsingh@kernel.org> · 2022-08-02
Re: [PATCH v3 0/4] Introduce security_create_user_ns() · Paul Moore <paul@paul-moore.com> · 2022-08-03
Re: [PATCH v3 0/4] Introduce security_create_user_ns() · Casey Schaufler <casey@schaufler-ca.com> · 2022-08-01
Re: [PATCH v3 0/4] Introduce security_create_user_ns() · Paul Moore <paul@paul-moore.com> · 2022-08-01
Re: [PATCH v3 0/4] Introduce security_create_user_ns() · KP Singh <kpsingh@kernel.org> · 2022-08-02

From: Christian Brauner <brauner@kernel.org>
Date: 2022-07-22 08:18:44
Also in: bpf, linux-kselftest, linux-security-module, lkml, selinux

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 <redacted>

---

Seems reasonable,
Acked-by: Christian Brauner (Microsoft) <brauner@kernel.org>

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