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From:   Paul Moore <paul@paul-moore.com>
Date:   Fri, 9 Jun 2023 16:05:57 -0400
Message-ID: <CAHC9VhSzC0zV31XrEz06HKp=NNbz0XPT24ja0O1sZtNM_aXqHg@mail.gmail.com>
Subject: Re: [PATCH v11 0/4] evm: Do HMAC of multiple per LSM xattrs for new inodes
To:     Roberto Sassu <roberto.sassu@huaweicloud.com>
Cc:     zohar@linux.ibm.com, dmitry.kasatkin@gmail.com, jmorris@namei.org,
        serge@hallyn.com, stephen.smalley.work@gmail.com,
        eparis@parisplace.org, casey@schaufler-ca.com,
        linux-kernel@vger.kernel.org, linux-integrity@vger.kernel.org,
        linux-security-module@vger.kernel.org, selinux@vger.kernel.org,
        bpf@vger.kernel.org, kpsingh@kernel.org, keescook@chromium.org,
        nicolas.bouchinet@clip-os.org,
        Roberto Sassu <roberto.sassu@huawei.com>
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On Sat, Jun 3, 2023 at 3:16=E2=80=AFPM Roberto Sassu
<roberto.sassu@huaweicloud.com> wrote:
>
> From: Roberto Sassu <roberto.sassu@huawei.com>
>
> One of the major goals of LSM stacking is to run multiple LSMs side by si=
de
> without interfering with each other. The ultimate decision will depend on
> individual LSM decision.
>
> Several changes need to be made to the LSM infrastructure to be able to
> support that. This patch set tackles one of them: gives to each LSM the
> ability to specify one or multiple xattrs to be set at inode creation
> time and, at the same time, gives to EVM the ability to access all those
> xattrs and calculate the HMAC on them ...

Thanks for sticking with this Roberto, I see a few
comments/suggestions on this patchset, but overall it is looking
pretty good; I'm hopeful we will be able to merge the next revision.

--=20
paul-moore.com