From owner-freebsd-security@freebsd.org Wed Mar 7 13:30:07 2018 Return-Path: Delivered-To: freebsd-security@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id F224CF2BDE1 for ; Wed, 7 Mar 2018 13:30:06 +0000 (UTC) (envelope-from remko@FreeBSD.org) Received: from smtp-out.elvandar.org (smtp-out.elvandar.org [IPv6:2a01:7c8:aaba:ae::2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 89ACF731D7; Wed, 7 Mar 2018 13:30:06 +0000 (UTC) (envelope-from remko@FreeBSD.org) Received: from mail2.jr-hosting.nl (dolgan.elvandar.org [176.9.38.89]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp-out.elvandar.org (Postfix) with ESMTPS id 153A14709E2; Wed, 7 Mar 2018 14:30:04 +0100 (CET) Received: from [172.20.20.62] (unknown [178.22.83.175]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail2.jr-hosting.org (Postfix) with ESMTPSA id DE22E1A6B05; Wed, 7 Mar 2018 14:30:03 +0100 (CET) From: Remko Lodder Message-Id: Content-Type: multipart/signed; boundary="Apple-Mail=_99A9E81D-CD69-4994-88DA-FC45E55F3C05"; protocol="application/pgp-signature"; micalg=pgp-sha512 Mime-Version: 1.0 (Mac OS X Mail 11.2 \(3445.5.20\)) Subject: Re: [FreeBSD-Announce] FreeBSD Security Advisory FreeBSD-SA-18:02.ntp Date: Wed, 7 Mar 2018 14:30:03 +0100 In-Reply-To: <3E55483F-40C9-478D-8539-B5B6C3C60FEA@FreeBSD.org> Cc: freebsd-security@freebsd.org To: David Chisnall References: <20180307071008.B1366447B@freefall.freebsd.org> <3E55483F-40C9-478D-8539-B5B6C3C60FEA@FreeBSD.org> X-Mailer: Apple Mail (2.3445.5.20) X-Rspamd-Queue-Id: 153A14709E2 X-Spamd-Result: default: False [-6.49 / 15.00] RCVD_NO_TLS_LAST(0.00)[] ARC_NA(0.00)[] RCVD_IN_DNSWL_LOW(0.00)[89.38.9.176.list.dnswl.org : 127.0.6.1] HAS_ATTACHMENT(0.00)[] R_SPF_SOFTFAIL(0.00)[~all] IP_SCORE(-3.78)[ip: (-9.68), ipnet: 176.9.0.0/16(-4.80), asn: 24940(-3.99), country: DE(-0.46)] RCVD_VIA_SMTP_AUTH(0.00)[] FROM_EQ_ENVFROM(0.00)[] MX_GOOD(-0.01)[cached: mx1.FreeBSD.org] MIME_GOOD(-0.20)[multipart/signed,text/plain] RCPT_COUNT_TWO(0.00)[2] DMARC_NA(0.00)[FreeBSD.org] TO_DN_SOME(0.00)[] ASN(0.00)[asn:24940, ipnet:176.9.0.0/16, country:DE] BAYES_HAM(-3.00)[100.00%] MV_CASE(0.50)[] R_DKIM_NA(0.00)[] FROM_HAS_DN(0.00)[] MID_RHS_MATCH_FROM(0.00)[] TO_MATCH_ENVRCPT_ALL(0.00)[] RCVD_COUNT_TWO(0.00)[2] X-Rspamd-Server: glamredhel.elvandar.org X-BeenThere: freebsd-security@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: "Security issues \[members-only posting\]" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 07 Mar 2018 13:30:07 -0000 --Apple-Mail=_99A9E81D-CD69-4994-88DA-FC45E55F3C05 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 > On 7 Mar 2018, at 12:50, David Chisnall wrote: >=20 > Were these changes and the kernel changes tested together on Xen? = After updating to -p7, I get about 10 seconds of uptime on a Xen VM = before the kernel panics with a double fault and reboots. Disabling = ntpd results in a stable system. On an AMD system without a hypervisor, = I don=E2=80=99t see any instability. >=20 > David >=20 >>=20 Hi David, We have no Xen setup as far as I know so in short; these changes were = not tested on Xen as far as I know. Cheers Remko --Apple-Mail=_99A9E81D-CD69-4994-88DA-FC45E55F3C05 Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=signature.asc Content-Type: application/pgp-signature; name=signature.asc Content-Description: Message signed with OpenPGP -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEEUZm6tSR1fPPy/V/fqMPbslnzjLAFAlqf6VsACgkQqMPbslnz jLDKvw//Rw0SiI6pUyEdAgCue+Z7q6n9ZWXrd/222Z4Akn2A6vDHbuC9eLGnRltr WltJhVEhpClqNsU43vl1WaWMhOJHSlTPAAd7rIVKJF1ONl2WRJYpnankX5u52Uvm ynWCxEX9z489DgWUs/jnQgNXlz7xUZWecdaV+AlR9BRMK90lUk+AAADwxLxXSt54 KeTV8sgQTUhEC0dCyhwIxG4nf3khpNCZG5xZoJJES0TPoLwRwFCds/iMl6eAwhBM XqLLSZKpCLfsBUyp4CLObgahoYOR/MOxxmEscaH4eGvOYg6VJ0zGAhPPaRvcY0cq jJJuHAi3RknTVNtRbQCPXEblBGYOYRch3a3en2XXWnd7A+h9XhOGVliiEhOgEWaU j1gjDVvqn6WVwgWItty5npZ3ISpcp1CQM+T6efcY+ipgloP4891h2E/YR5j1f+8t Rab8sTzvGcVrdGblo8mn0io7plc1QBXJFpnKzPe2+tbvVq/Q2/rXe02Nc/PCWog0 qW+SCLHDz3zAS4LEVtMyhUc6iDZCyDCqnZujNL4+T/HuGI3Tq2Bkl4afzfri3rFf 3mxGYiiTwQDuVlFzxihVo1yOKw4r+PFuYVrGwfCDADCKz+hsqWv9LZ7AEWVCywHq ajmnJlOtrpWUYOVhYFJn5U/CwpLd1bmr4OceJ8M8wlIQAA+dsvs= =idgF -----END PGP SIGNATURE----- --Apple-Mail=_99A9E81D-CD69-4994-88DA-FC45E55F3C05--