linux-kernel - Re: [PATCH bpf-next v6 7/8] bpf, net: Support SO_REUSEPORT sockets with bpf_sk

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:   Tue, 8 Aug 2023 17:35:59 +0100
From:   Lorenz Bauer <lmb@...valent.com>
To:     Kumar Kartikeya Dwivedi <memxor@...il.com>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        David Ahern <dsahern@...nel.org>,
        Willem de Bruijn <willemdebruijn.kernel@...il.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>,
        Martin KaFai Lau <martin.lau@...ux.dev>,
        Song Liu <song@...nel.org>, Yonghong Song <yhs@...com>,
        John Fastabend <john.fastabend@...il.com>,
        KP Singh <kpsingh@...nel.org>,
        Stanislav Fomichev <sdf@...gle.com>,
        Hao Luo <haoluo@...gle.com>, Jiri Olsa <jolsa@...nel.org>,
        Joe Stringer <joe@...d.net.nz>,
        Mykola Lysenko <mykolal@...com>, Shuah Khan <shuah@...nel.org>,
        Kuniyuki Iwashima <kuniyu@...zon.com>,
        Hemanth Malla <hemanthmalla@...il.com>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, bpf@...r.kernel.org,
        linux-kselftest@...r.kernel.org, Joe Stringer <joe@...ium.io>
Subject: Re: [PATCH bpf-next v6 7/8] bpf, net: Support SO_REUSEPORT sockets
 with bpf_sk_assign

On Tue, Aug 8, 2023 at 5:23 AM Kumar Kartikeya Dwivedi <memxor@...il.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