netdev - Re: [PATCH next] sysctl: expose all net/core sysctls inside netns

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Message-ID: <CAF2d9jifsKH+67m8QsC9O0_21KiMOPKRU+=M_9xyJ-Y03bMwRw@mail.gmail.com>
Date:   Wed, 28 Dec 2022 10:40:36 -0800
From:   Mahesh Bandewar (महेश बंडेवार) 
        <maheshb@...gle.com>
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     Netdev <netdev@...r.kernel.org>,
        Mahesh Bandewar <mahesh@...dewar.net>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>,
        Soheil Hassas Yeganeh <soheil@...gle.com>
Subject: Re: [PATCH next] sysctl: expose all net/core sysctls inside netns

On Thu, Dec 22, 2022 at 6:12 PM Jakub Kicinski <kuba@...nel.org> wrote:
>
> On Thu, 22 Dec 2022 11:10:05 -0800 Mahesh Bandewar wrote:
> > All were not visible to the non-priv users inside netns. However,
> > with 4ecb90090c84 ("sysctl: allow override of /proc/sys/net with
> > CAP_NET_ADMIN"), these vars are protected from getting modified.
> > A proc with capable(CAP_NET_ADMIN) can change the values so
> > not having them visible inside netns is just causing nuisance to
> > process that check certain values (e.g. net.core.somaxconn) and
> > see different behavior in root-netns vs. other-netns
>
> SG, but net-next is closed, please repost after New Year.
My bad, thanks for the note. Happy holidays and will post it next year.