From nobody Wed Apr 15 20:12:27 2026 X-Original-To: freebsd-current@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4fwskj5ZM1z6ZPpP for ; Wed, 15 Apr 2026 20:12:29 +0000 (UTC) (envelope-from tuexen@FreeBSD.org) Received: from smtp.freebsd.org (smtp.freebsd.org [IPv6:2610:1c1:1:606c::24b:4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "smtp.freebsd.org", Issuer "R13" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4fwskj57Xtz3YvY; Wed, 15 Apr 2026 20:12:29 +0000 (UTC) (envelope-from tuexen@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1776283949; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=n3bXxXXrLg/bGaCOZNqijfDbkIzUYPq/i3XDbxlJMqo=; b=w4+PGg+CwhVDyZkbZYrXX1wy1q1XJep72UBlYuepV4vp2uMO6sWLmpb9zWHv7msua4pH6v IBVf+AcQSGfnTcFVca1ONKTet19e7Q7o6GOTVD7K1kkUjAVz+fmGFrSQvAcdudNtaMKgF8 cNZA2zoEmTisvsgzK1KNxSHgWERyOFl7WR4nz8kgQlf81w4nwFdMmSsmfTKH8+4w4ZGmxg sKr3XiOgk554nM0c3KOcrdwj3n4tCEGZesMdPO93AofT+LuRHKeOIVxDwFe3fUYcyk1T7u 7zbF72PQYhfCLom8GOl+ZK3YMglurF6tpDs1J2NiWqQLu3tEQ+W2y/C3cRYKdA== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1776283949; a=rsa-sha256; cv=none; b=wwF7Bw+VKyibU9QqLcmT95rznMXLwnrNO37LvR08Z8NJgaMTA4ksu0GI1Az5caPb5S4GtV eQMybYoEBkPaT76LozpkPk0FLFgVAg+iwHskbrnMhocQNa+f1QsRRytlN9rVdfSrtUgwqK QFTTcV8H03WG2cbhNRzJgP4PhQ/idIUEBxJBdBlGF2A8eMoV/dIM4IkjF1udU4imcQToRl Tiuo0vuOlE5M9c00qElZvEmA7TPuztGr7rT0sPUBwGfyxaNGImw7eXLu/AtbQD5nMe85HA X95rU55LJWqk9dkY395wQObRWLkDuZmceiSYwj+3VIfk/I39oA2WOi7cQSMOIQ== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1776283949; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=n3bXxXXrLg/bGaCOZNqijfDbkIzUYPq/i3XDbxlJMqo=; b=M5W/Dyj7JCcshEgxBN8+Xw0mfNXBoNE2GPJWuDDwA2BPZe2edlBRW2X0kqKZEFmvEE5ziP m43bD7IZM2hmH5r/6Z1ctUoBV1I5G7rgFyg1Xe92IhDJf8yPGb7flzjJrBUBPUC+vwWwft MYckx17RYq3xD7PnQcKbzaUetsqfwydQlpz9xdQDh89UnEyWLOd4WG2ROXQX4vnsD+Zsc/ 5EkhZJT9/5oVzJfj7vAqsTct7X0WQUOMU6PyFAD5aCtYmU+gGHwP7sBCDbf3+4/AXrF2lI i2yfg942B5ufkK7ABelDEZVneyc9v3M7elmOxnC5nmDSjrZN2a4l7rmXgUuGmA== Received: from smtpclient.apple (unknown [IPv6:2a02:8109:1101:be00:6542:79de:f71d:eaf6]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) (Authenticated sender: tuexen) by smtp.freebsd.org (Postfix) with ESMTPSA id 4fwskj1svbzxTM; Wed, 15 Apr 2026 20:12:29 +0000 (UTC) (envelope-from tuexen@FreeBSD.org) Content-Type: text/plain; charset=us-ascii List-Id: Discussions about the use of FreeBSD-current List-Archive: https://lists.freebsd.org/archives/freebsd-current List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-current@FreeBSD.org Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3864.500.181\)) Subject: Re: LRO Kernel Panic on Hyper-V VM From: Michael Tuexen In-Reply-To: Date: Wed, 15 Apr 2026 22:12:27 +0200 Cc: freebsd-current@freebsd.org Content-Transfer-Encoding: quoted-printable Message-Id: <58C7670B-6D2A-402B-BBB8-865D652B9B08@FreeBSD.org> References: To: Shawn Webb X-Mailer: Apple Mail (2.3864.500.181) > On 15. Apr 2026, at 21:32, Shawn Webb = wrote: >=20 > Hey all, >=20 > I've updated one of my Hyper-V VMs earlier today against an up-to-date > source tree. I've noticed quite a few networking-related changes in > FreeBSD on 16-CURRENT and I suspect (at least) one of those changes is > problematic. >=20 > I'm not at all well-versed in the networking code, so I'm unsure > what's going on. >=20 > I've uploaded a core.txt dump: > https://hardenedbsd.org/~shawn/2026-04-15_lro-panic-r01.txt Thanks. The problem is that the vnet is not set correctly. This should fix it: https://reviews.freebsd.org/D56420 Best regards Michael >=20 > Thanks, >=20 > --=20 > Shawn Webb > Cofounder / Security Engineer > HardenedBSD >=20 > Signal Username: shawn_webb.74 > Tor-ified Signal: +1 303-901-1600 / shawn_webb_opsec.50 > = https://git.hardenedbsd.org/hardenedbsd/pubkeys/-/raw/master/Shawn_Webb/03= A4CBEBB82EA5A67D9F3853FF2E67A277F8E1FA.pub.asc