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 <20230720-so-reuseport-v6-7-7021b683cdae@isovalent.com> <CAP01T76fZhrELGxsm5-u85AL5994mS0NGZd6gw-RYaHE8vKfTA@mail.gmail.com>
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From:   Lorenz Bauer <lmb@isovalent.com>
Date:   Tue, 8 Aug 2023 17:35:59 +0100
Message-ID: <CAN+4W8j7Lyh4Zm1neabe2f+DJWbP4zRrATM4rwD3=EBS0s1CjA@mail.gmail.com>
Subject: Re: [PATCH bpf-next v6 7/8] bpf, net: Support SO_REUSEPORT sockets
 with bpf_sk_assign
To:     Kumar Kartikeya Dwivedi <memxor@gmail.com>
Cc:     "David S. Miller" <davem@davemloft.net>,
        Eric Dumazet <edumazet@google.com>,
        Jakub Kicinski <kuba@kernel.org>,
        Paolo Abeni <pabeni@redhat.com>,
        David Ahern <dsahern@kernel.org>,
        Willem de Bruijn <willemdebruijn.kernel@gmail.com>,
        Alexei Starovoitov <ast@kernel.org>,
        Daniel Borkmann <daniel@iogearbox.net>,
        Andrii Nakryiko <andrii@kernel.org>,
        Martin KaFai Lau <martin.lau@linux.dev>,
        Song Liu <song@kernel.org>, Yonghong Song <yhs@fb.com>,
        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>,
        Joe Stringer <joe@wand.net.nz>,
        Mykola Lysenko <mykolal@fb.com>, Shuah Khan <shuah@kernel.org>,
        Kuniyuki Iwashima <kuniyu@amazon.com>,
        Hemanth Malla <hemanthmalla@gmail.com>, netdev@vger.kernel.org,
        linux-kernel@vger.kernel.org, bpf@vger.kernel.org,
        linux-kselftest@vger.kernel.org, Joe Stringer <joe@cilium.io>
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On Tue, Aug 8, 2023 at 5:23=E2=80=AFAM Kumar Kartikeya Dwivedi <memxor@gmai=
l.com> wrote:
>
> Hi Lorenz, Kuniyuki, Martin,
>
> I am getting a KASAN (inline mode) splat on bpf-next when I run
> ./test_progs -t btf_skc_cls_ingress, and I bisected it to this commit:
> 9c02bec95954 ("bpf, net: Support SO_REUSEPORT sockets with bpf_sk_assign"=
)

Thanks for the report. I forgot about struct request_sock again...
I'll have a fix shortly, I hope.

Lorenz