netdev - RE: [PATCH bpf-next 0/3] bpf: Allow helpers access ptr_to_btf

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Message-ID: <6410071b7186f_425812083@john.notmuch>
Date:   Mon, 13 Mar 2023 22:33:15 -0700
From:   John Fastabend <john.fastabend@...il.com>
To:     Alexei Starovoitov <alexei.starovoitov@...il.com>,
        davem@...emloft.net
Cc:     daniel@...earbox.net, andrii@...nel.org, martin.lau@...nel.org,
        void@...ifault.com, davemarchevsky@...a.com, tj@...nel.org,
        memxor@...il.com, netdev@...r.kernel.org, bpf@...r.kernel.org,
        kernel-team@...com
Subject: RE: [PATCH bpf-next 0/3] bpf: Allow helpers access ptr_to_btf_id.

Alexei Starovoitov wrote:
> From: Alexei Starovoitov <ast@...nel.org>
> 
> Allow code like:
> bpf_strncmp(task->comm, 16, "foo");
> 
> Alexei Starovoitov (3):
>   bpf: Fix bpf_strncmp proto.
>   bpf: Allow helpers access trusted PTR_TO_BTF_ID.
>   selftests/bpf: Add various tests to check helper access into
>     ptr_to_btf_id.
> 
>  kernel/bpf/helpers.c                          |  2 +-
>  kernel/bpf/verifier.c                         | 15 ++++++++
>  .../selftests/bpf/progs/task_kfunc_failure.c  | 36 +++++++++++++++++++
>  .../selftests/bpf/progs/task_kfunc_success.c  |  4 +++
>  4 files changed, 56 insertions(+), 1 deletion(-)
> 
> -- 
> 2.34.1
> 

For the series,

Acked-by: John Fastabend <john.fastabend@...il.com>