linux-kernel - Re: [PATCH net-next v5 2/3] net: core: add getsockopt SO

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Message-ID: <CAKH8qBsYWzh0ZYOdYcYYpMeB-2hhOjLzh7EBXbQpGpC3O=R3OQ@mail.gmail.com>
Date:   Mon, 22 May 2023 10:12:07 -0700
From:   Stanislav Fomichev <sdf@...gle.com>
To:     Christian Brauner <brauner@...nel.org>
Cc:     Alexander Mikhalitsyn <aleksandr.mikhalitsyn@...onical.com>,
        davem@...emloft.net, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Leon Romanovsky <leon@...nel.org>,
        David Ahern <dsahern@...nel.org>,
        Arnd Bergmann <arnd@...db.de>,
        Kees Cook <keescook@...omium.org>,
        Kuniyuki Iwashima <kuniyu@...zon.com>,
        Lennart Poettering <mzxreary@...inter.de>,
        Luca Boccassi <bluca@...ian.org>,
        Daniel Borkmann <daniel@...earbox.net>, bpf@...r.kernel.org,
        linux-arch@...r.kernel.org
Subject: Re: [PATCH net-next v5 2/3] net: core: add getsockopt SO_PEERPIDFD

On Fri, May 19, 2023 at 4:03 AM Christian Brauner <brauner@...nel.org> wrote:
>
> On Wed, May 17, 2023 at 01:33:50PM +0200, Alexander Mikhalitsyn wrote:
> > Add SO_PEERPIDFD which allows to get pidfd of peer socket holder pidfd.
> > This thing is direct analog of SO_PEERCRED which allows to get plain PID.
> >
> > Cc: "David S. Miller" <davem@...emloft.net>
> > Cc: Eric Dumazet <edumazet@...gle.com>
> > Cc: Jakub Kicinski <kuba@...nel.org>
> > Cc: Paolo Abeni <pabeni@...hat.com>
> > Cc: Leon Romanovsky <leon@...nel.org>
> > Cc: David Ahern <dsahern@...nel.org>
> > Cc: Arnd Bergmann <arnd@...db.de>
> > Cc: Kees Cook <keescook@...omium.org>
> > Cc: Christian Brauner <brauner@...nel.org>
> > Cc: Kuniyuki Iwashima <kuniyu@...zon.com>
> > Cc: Lennart Poettering <mzxreary@...inter.de>
> > Cc: Luca Boccassi <bluca@...ian.org>
> > Cc: Daniel Borkmann <daniel@...earbox.net>
> > Cc: Stanislav Fomichev <sdf@...gle.com>
> > Cc: bpf@...r.kernel.org
> > Cc: linux-kernel@...r.kernel.org
> > Cc: netdev@...r.kernel.org
> > Cc: linux-arch@...r.kernel.org
> > Tested-by: Luca Boccassi <bluca@...ian.org>
> > Signed-off-by: Alexander Mikhalitsyn <aleksandr.mikhalitsyn@...onical.com>
> > ---
> > v5:
> >       - started using (struct proto)->bpf_bypass_getsockopt hook
>
> Looks good to me,
> Reviewed-by: Christian Brauner <brauner@...nel.org>

Acked-by: Stanislav Fomichev <sdf@...gle.com>