From owner-freebsd-net@freebsd.org Mon Nov 6 20:36:27 2017 Return-Path: Delivered-To: freebsd-net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 43CB8E67301 for ; Mon, 6 Nov 2017 20:36:27 +0000 (UTC) (envelope-from bu7cher@yandex.ru) Received: from forward104j.mail.yandex.net (forward104j.mail.yandex.net [IPv6:2a02:6b8:0:801:2::107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "forwards.mail.yandex.net", Issuer "Yandex CA" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id D81E61236 for ; Mon, 6 Nov 2017 20:36:26 +0000 (UTC) (envelope-from bu7cher@yandex.ru) Received: from mxback7j.mail.yandex.net (mxback7j.mail.yandex.net [IPv6:2a02:6b8:0:1619::110]) by forward104j.mail.yandex.net (Yandex) with ESMTP id 2B72B47190; Mon, 6 Nov 2017 23:36:23 +0300 (MSK) Received: from smtp3o.mail.yandex.net (smtp3o.mail.yandex.net [2a02:6b8:0:1a2d::27]) by mxback7j.mail.yandex.net (nwsmtp/Yandex) with ESMTP id EeyUCOvVFc-aM0CFqLh; Mon, 06 Nov 2017 23:36:23 +0300 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex.ru; s=mail; t=1510000583; bh=vtdfkA1vzNX79pd3ChOMo5I4PchQUrDZb5joSIAZJWY=; h=Subject:To:References:From:Message-ID:Date:In-Reply-To; b=kJwOEkoijup2TzabzJdhGW+9LqSb/GEp8pv9jMSkjUIXUt3IFtyO2DdsDSYgl3vlZ NuLrYFUG87PTSOWZd1n57Wi3ZHg70u2LjpNOUCEBn3QZ1/7e+5A4U5SY2klu3jt3fC ZvbIhrDeZk12qWSfWioGSfK/XRZae2T9c0vBoy04= Received: by smtp3o.mail.yandex.net (nwsmtp/Yandex) with ESMTPSA id PVicDcZdjs-aMSirBcn; Mon, 06 Nov 2017 23:36:22 +0300 (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client certificate not present) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex.ru; s=mail; t=1510000582; bh=vtdfkA1vzNX79pd3ChOMo5I4PchQUrDZb5joSIAZJWY=; h=Subject:To:References:From:Message-ID:Date:In-Reply-To; b=JzJDRwmTv1D6S8bOW3VaNupOfT0YEk6xGFyqAapQWoMkMo9cOwYmvo+kgOJpRd+e4 g8NQHi/m7LKxInqBBhOapwL1u3crZKNsiuG/e8tjlZA1HNstBqrFLayV1I9RvKRg6O gdHRjE7PoyNopnO25F3gbrEMOYtah6vqU7hYJc6w= Authentication-Results: smtp3o.mail.yandex.net; dkim=pass header.i=@yandex.ru Subject: Re: FreeBSD 11.1-RELEASE: Kernel panic in ipv6_output() via tcp6_usr_connect() To: freebsd-net@freebsd.org, Viktor Dukhovni References: <86dcc06d-b98c-cc1f-8726-8afb011871e3@yandex.ru> <94e12e46-f54a-ae22-3f4c-0bd9ac7e1fc9@yandex.ru> <20171106044000.GM3322@mournblade.imrryr.org> <39EFBDF9-B313-4472-85CF-D2D5D508E991@dukhovni.org> From: "Andrey V. Elsukov" Openpgp: id=E6591E1B41DA1516F0C9BC0001C5EA0410C8A17A Message-ID: Date: Mon, 6 Nov 2017 23:35:06 +0300 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:52.0) Gecko/20100101 Thunderbird/52.2.1 MIME-Version: 1.0 In-Reply-To: <39EFBDF9-B313-4472-85CF-D2D5D508E991@dukhovni.org> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="fMedoB88Va1cgq47F3DwK4RUvFS7srmMP" X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 06 Nov 2017 20:36:27 -0000 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --fMedoB88Va1cgq47F3DwK4RUvFS7srmMP Content-Type: multipart/mixed; boundary="REImR2GCFj8aG3GFivUuWeoJTklg8ujO6"; protected-headers="v1" From: "Andrey V. Elsukov" To: freebsd-net@freebsd.org, Viktor Dukhovni Message-ID: Subject: Re: FreeBSD 11.1-RELEASE: Kernel panic in ipv6_output() via tcp6_usr_connect() References: <86dcc06d-b98c-cc1f-8726-8afb011871e3@yandex.ru> <94e12e46-f54a-ae22-3f4c-0bd9ac7e1fc9@yandex.ru> <20171106044000.GM3322@mournblade.imrryr.org> <39EFBDF9-B313-4472-85CF-D2D5D508E991@dukhovni.org> In-Reply-To: <39EFBDF9-B313-4472-85CF-D2D5D508E991@dukhovni.org> --REImR2GCFj8aG3GFivUuWeoJTklg8ujO6 Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 06.11.2017 17:53, Viktor Dukhovni wrote: > Would this cause the packet to be denied, or passed through without > nat? Presumably, I would then have to have "ip4" and not "ip" as > "ip6" would then be denied by the "nat" rule. Right? Yes, IPv6 packet will be dropped by nat rule. >=20 > Any comments on my message (and patch) with subject: >=20 > [Patch] The 6to4 stf0 interface flapping in/out of tentative in Free= BSD 11 >=20 > How do I get this addressed by the maintainer of stf? >=20 Your problem seems like the one described in https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D206231 And the proposed patch is partially like your. I think if you still have the problem you need to reopen this PR. --=20 WBR, Andrey V. 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