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Message-ID: <CAHmME9pYj85hCS0=37+XsaJSgNXoJ96N6TdiJ9TWBYTXQx0LAA@mail.gmail.com>
Date:   Fri, 29 Apr 2022 16:48:52 +0200
From:   "Jason A. Donenfeld" <Jason@...c4.com>
To:     Willy Tarreau <w@....eu>
Cc:     Netdev <netdev@...r.kernel.org>,
        David Miller <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Eric Dumazet <edumazet@...gle.com>,
        Moshe Kol <moshe.kol@...l.huji.ac.il>,
        Yossi Gilad <yossi.gilad@...l.huji.ac.il>,
        Amit Klein <aksecurity@...il.com>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 net 3/7] tcp: resalt the secret every 10 seconds

On Thu, Apr 28, 2022 at 2:40 PM Willy Tarreau <w@....eu> wrote:
> @@ -101,10 +103,12 @@ u64 secure_ipv6_port_ephemeral(const __be32 *saddr, const __be32 *daddr,
>                 struct in6_addr saddr;
>                 struct in6_addr daddr;
>                 __be16 dport;
> +               unsigned int timeseed;

Also, does the struct packing (or lack thereof) lead to problems here?
Uninitialized bytes might not make a stable hash.

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