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From: "Jason A. Donenfeld" <Jason@zx2c4.com>
Date: Mon, 12 Feb 2018 12:04:19 +0100
Message-ID: <CAHmME9pvBg3OHLwun3uqdoCqmQBxxmwh1y2jxWUcdOKyZynNsA@mail.gmail.com>
Subject: Re: Memleak with 0.0.20171221-5 on Debian stretch
To: Baptiste Jonglez <baptiste@bitsofnetworks.org>
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Hey Baptiste,

On Mon, Feb 12, 2018 at 8:42 AM, Baptiste Jonglez
<baptiste@bitsofnetworks.org> wrote:
> Actually, now that I talk about it, it's not 100% true: on this system,
> there is a second wireguard interface that is not currently used (it's
> provisionned to connect a future router that is not yet deployed).
>
> The interesting part: this interface has a single peer which has no
> endpoint but a persistent keepalive.

That's a super useful observation! I'm guessing this will fix it:
https://git.zx2c4.com/WireGuard/commit/?id=c5c22fb9bad1807a612b6055e0049d68f4600605

I'm still analyzing everything to find other places where I might have
missed something, but hopefully the above does it.

Jason