netdev - Re: [bpf PATCH v2 1/5] bpf: sock_ops ctx access may stomp registers in corner case

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Message-ID: <CAPhsuW77ifBOovgEHi=5LpyOkksFnDHSjYzbgjAjgpPP2-VMhQ@mail.gmail.com>
Date:   Wed, 29 Jul 2020 14:29:46 -0700
From:   Song Liu <song@...nel.org>
To:     John Fastabend <john.fastabend@...il.com>
Cc:     Martin KaFai Lau <kafai@...com>,
        Daniel Borkmann <daniel@...earbox.net>,
        Alexei Starovoitov <ast@...nel.org>,
        Networking <netdev@...r.kernel.org>, bpf <bpf@...r.kernel.org>
Subject: Re: [bpf PATCH v2 1/5] bpf: sock_ops ctx access may stomp registers
 in corner case

On Wed, Jul 29, 2020 at 9:24 AM John Fastabend <john.fastabend@...il.com> wrote:
>
> I had a sockmap program that after doing some refactoring started spewing
> this splat at me:
[...]
> least reported it so it must a fairly rare pattern.
>
> Fixes: 9b1f3d6e5af29 ("bpf: Refactor sock_ops_convert_ctx_access")
> Signed-off-by: John Fastabend <john.fastabend@...il.com>

Acked-by: Song Liu <songliubraving@...com>