netdev - Re: [PATCH bpf-next] libbpf: reject static entry-point BPF programs

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Message-ID: <CAEf4BzbBJgcD-QOyWPLWdMf+CZHFnpyLd-F9-eiZ-4fGsS_y6A@mail.gmail.com>
Date:   Fri, 14 May 2021 22:25:58 -0700
From:   Andrii Nakryiko <andrii.nakryiko@...il.com>
To:     Alexei Starovoitov <alexei.starovoitov@...il.com>
Cc:     Andrii Nakryiko <andrii@...nel.org>, bpf <bpf@...r.kernel.org>,
        Network Development <netdev@...r.kernel.org>,
        Alexei Starovoitov <ast@...com>,
        Daniel Borkmann <daniel@...earbox.net>,
        Kernel Team <kernel-team@...com>
Subject: Re: [PATCH bpf-next] libbpf: reject static entry-point BPF programs

On Fri, May 14, 2021 at 4:14 PM Alexei Starovoitov
<alexei.starovoitov@...il.com> wrote:
>
> On Fri, May 14, 2021 at 1:34 PM Andrii Nakryiko <andrii@...nel.org> wrote:
> >
> > Detect use of static entry-point BPF programs (those with SEC() markings) and
> > emit error message.
>
> Applied. I was wondering whether you've seen such combinations ?

Haven't seen this anywhere in the real code, only tested locally by
adding static to one of selftests. Unlikely to break anyone, but good
to be as strict as with maps.