From: Paul Moore <paul@paul-moore.com>
To: Xu Kuohai <xukuohai@huaweicloud.com>
Cc: Casey Schaufler <casey@schaufler-ca.com>,
Alexei Starovoitov <alexei.starovoitov@gmail.com>,
bpf <bpf@vger.kernel.org>,
Network Development <netdev@vger.kernel.org>,
LSM List <linux-security-module@vger.kernel.org>,
"open list:KERNEL SELFTEST FRAMEWORK"
<linux-kselftest@vger.kernel.org>,
Alexei Starovoitov <ast@kernel.org>,
Andrii Nakryiko <andrii@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Martin KaFai Lau <martin.lau@linux.dev>,
Eduard Zingerman <eddyz87@gmail.com>, Song Liu <song@kernel.org>,
Yonghong Song <yonghong.song@linux.dev>,
John Fastabend <john.fastabend@gmail.com>,
KP Singh <kpsingh@kernel.org>,
Stanislav Fomichev <sdf@google.com>, Hao Luo <haoluo@google.com>,
Jiri Olsa <jolsa@kernel.org>,
Matt Bobrowski <mattbobrowski@google.com>,
Brendan Jackman <jackmanb@chromium.org>,
James Morris <jmorris@namei.org>,
"Serge E . Hallyn" <serge@hallyn.com>,
Khadija Kamran <kamrankhadijadj@gmail.com>,
Ondrej Mosnacek <omosnace@redhat.com>,
Kees Cook <keescook@chromium.org>,
John Johansen <john.johansen@canonical.com>,
Lukas Bulwahn <lukas.bulwahn@gmail.com>,
Roberto Sassu <roberto.sassu@huawei.com>,
Shung-Hsi Yu <shung-hsi.yu@suse.com>
Subject: Re: [PATCH bpf-next v3 01/11] bpf, lsm: Annotate lsm hook return value range
Date: Tue, 11 Jun 2024 16:06:14 -0400 [thread overview]
Message-ID: <CAHC9VhS=4fpTs4VusORHWxjL6bDB2KExbpRSRYTtvMkc4OSObQ@mail.gmail.com> (raw)
In-Reply-To: <61e96101-caf7-456d-a125-13dfe33ca080@huaweicloud.com>
On Mon, Jun 10, 2024 at 10:25 PM Xu Kuohai <xukuohai@huaweicloud.com> wrote:
>
> Alright, I'll give it a try. Perhaps in the end, there will be a few
> hooks that cannot be converted. If that's the case, it seems we can
> just provide exceptions for the return value explanations for these
> not unconverted hooks, maybe on the BPF side only, thus avoiding the
> need to annotate return values for all LSM hooks.
Thanks. Yes, while I don't think we will be able to normalize all of
the hooks to 0/-ERRNO, my guess is that we can reduce the exceptions
to a manageable count.
--
paul-moore.com
next prev parent reply other threads:[~2024-06-11 20:06 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-11 12:27 [PATCH bpf-next v3 00/11] Add check for bpf lsm return value Xu Kuohai
2024-04-11 12:27 ` [PATCH bpf-next v3 01/11] bpf, lsm: Annotate lsm hook return value range Xu Kuohai
2024-06-06 21:53 ` Paul Moore
2024-06-08 8:04 ` Xu Kuohai
2024-06-08 13:54 ` Alexei Starovoitov
2024-06-09 17:39 ` Casey Schaufler
2024-06-09 18:17 ` Paul Moore
2024-06-11 2:24 ` Xu Kuohai
2024-06-11 20:06 ` Paul Moore [this message]
2024-04-11 12:27 ` [PATCH bpf-next v3 02/11] bpf, lsm: Add helper to read " Xu Kuohai
2024-04-11 12:27 ` [PATCH bpf-next v3 03/11] bpf, lsm: Check bpf lsm hook return values in verifier Xu Kuohai
2024-04-13 11:44 ` Eduard Zingerman
2024-04-11 12:27 ` [PATCH bpf-next v3 04/11] bpf, lsm: Add bpf lsm disabled hook list Xu Kuohai
2024-04-11 12:27 ` [PATCH bpf-next v3 05/11] bpf: Avoid progs for different hooks calling each other with tail call Xu Kuohai
2024-04-11 12:27 ` [PATCH bpf-next v3 06/11] bpf: Fix compare error in function retval_range_within Xu Kuohai
2024-04-12 8:53 ` Shung-Hsi Yu
2024-04-12 8:53 ` [Bpf] " Shung-Hsi Yu
2024-04-25 23:41 ` Andrii Nakryiko
2024-04-26 8:08 ` Xu Kuohai
2024-04-11 12:27 ` [PATCH bpf-next v3 07/11] bpf: Fix a false rejection caused by AND operation Xu Kuohai
2024-04-19 23:00 ` Eduard Zingerman
2024-04-20 8:33 ` Xu Kuohai
2024-04-23 21:55 ` Yonghong Song
2024-04-24 2:25 ` Xu Kuohai
2024-04-24 22:06 ` Yonghong Song
2024-04-25 2:42 ` Xu Kuohai
2024-04-25 16:28 ` Yonghong Song
2024-04-26 7:43 ` Xu Kuohai
2024-04-26 20:36 ` Andrii Nakryiko
2024-04-28 15:15 ` Xu Kuohai
2024-04-29 20:58 ` Andrii Nakryiko
2024-04-29 22:18 ` Eduard Zingerman
2024-04-30 3:56 ` Xu Kuohai
2024-04-30 3:54 ` Xu Kuohai
2024-04-29 21:56 ` Eduard Zingerman
2024-04-11 12:27 ` [PATCH bpf-next v3 08/11] selftests/bpf: Avoid load failure for token_lsm.c Xu Kuohai
2024-04-11 12:27 ` [PATCH bpf-next v3 09/11] selftests/bpf: Add return value checks for failed tests Xu Kuohai
2024-04-11 12:27 ` [PATCH bpf-next v3 10/11] selftests/bpf: Add test for lsm tail call Xu Kuohai
2024-04-11 12:27 ` [PATCH bpf-next v3 11/11] selftests/bpf: Add verifier tests for bpf lsm Xu Kuohai
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