linux-kernel - Re: [regression] TCP_MD5SIG on established sockets

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Date:   Tue, 30 Jun 2020 12:52:48 -0700
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Eric Dumazet <edumazet@...gle.com>
Cc:     Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
        "David S. Miller" <davem@...emloft.net>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        netdev <netdev@...r.kernel.org>,
        Yuchung Cheng <ycheng@...gle.com>,
        Jonathan Rajotte-Julien <joraj@...icios.com>
Subject: Re: [regression] TCP_MD5SIG on established sockets

On Tue, Jun 30, 2020 at 12:43 PM Linus Torvalds
<torvalds@...ux-foundation.org> wrote:
>
> If you're not willing to do the work to fix it, I will revert that
> commit.

Hmm. I only now noticed that that commit is over two years old.

So I think it's still wrong (clearly others do change passwords
outside of listening state), but considering that it apparently took
people two years to notice, at least some of the onus on figuring out
a better morel is on people who didn't even bother to test things in a
timely manner.

At some point "entreprise vendor kernels" or whatever who stay with
legacy kernels for a long time only have themselves to blame.

             Linus