From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EF38FC28CC0 for ; Thu, 30 May 2019 15:20:21 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id CAA5F25CC3 for ; Thu, 30 May 2019 15:20:21 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CAA5F25CC3 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=codethink.co.uk Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1hWMqF-0000PX-Le; Thu, 30 May 2019 15:19:43 +0000 Received: from all-amaz-eas1.inumbo.com ([34.197.232.57] helo=us1-amaz-eas2.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1hWMnp-0000KY-He for xen-devel@lists.xenproject.org; Thu, 30 May 2019 15:17:13 +0000 X-Inumbo-ID: fe8c5e60-82ed-11e9-9098-7fbf87543bdf Received: from imap1.codethink.co.uk (unknown [176.9.8.82]) by us1-amaz-eas2.inumbo.com (Halon) with ESMTPS id fe8c5e60-82ed-11e9-9098-7fbf87543bdf; Thu, 30 May 2019 15:17:10 +0000 (UTC) Received: from [167.98.27.226] (helo=xylophone) by imap1.codethink.co.uk with esmtpsa (Exim 4.84_2 #1 (Debian)) id 1hWMnY-0008Bg-0Q; Thu, 30 May 2019 16:16:56 +0100 Message-ID: <1559229415.24330.2.camel@codethink.co.uk> From: Ben Hutchings To: Konrad Rzeszutek Wilk Date: Thu, 30 May 2019 16:16:55 +0100 Organization: Codethink Ltd. X-Mailer: Evolution 3.22.6-1+deb9u1 Mime-Version: 1.0 X-Mailman-Approved-At: Thu, 30 May 2019 15:19:41 +0000 Subject: [Xen-devel] [stable] xen/pciback: Don't disable PCI_COMMAND on PCI device reset. X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Prarit Bhargava , Juergen Gross , stable , xen-devel@lists.xenproject.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" SSdtIGxvb2tpbmcgYXQgQ1ZFLTIwMTUtODU1MyB3aGljaCBpcyBmaXhlZCBieToKCmNvbW1pdCA3 NjgxZjMxZWM5Y2RhY2FiNGZkMTA1NzBiZTkyNGYyY2VmNjY2OWJhCkF1dGhvcjogS29ucmFkIFJ6 ZXN6dXRlayBXaWxrIDxrb25yYWQud2lsa0BvcmFjbGUuY29tPgpEYXRlOsKgwqDCoFdlZCBGZWIg MTMgMTg6MjE6MzEgMjAxOSAtMDUwMAoKwqDCoMKgwqB4ZW4vcGNpYmFjazogRG9uJ3QgZGlzYWJs ZSBQQ0lfQ09NTUFORCBvbiBQQ0kgZGV2aWNlIHJlc2V0LgoKSSdtIGF3YXJlIHRoYXQgdGhpcyBj aGFuZ2UgaXMgaW5jb21wYXRpYmxlIHdpdGggcWVtdSA8IDIuNSwgYnV0IHRoYXQncwpub3cgcXVp dGUgb2xkLiAgRG8geW91IHRoaW5rIGl0IG1ha2VzIHNlbnNlIHRvIGFwcGx5IHRoaXMgY2hhbmdl IHRvCnNvbWUgc3RhYmxlIGJyYW5jaGVzPwoKQmVuLgoKLS0gCkJlbiBIdXRjaGluZ3MsIFNvZnR3 YXJlIERldmVsb3BlciAgICAgICAgICAgICAgICDCoCAgICAgICAgQ29kZXRoaW5rIEx0ZApodHRw czovL3d3dy5jb2RldGhpbmsuY28udWsvICAgICAgICAgICAgICAgICBEYWxlIEhvdXNlLCAzNSBE YWxlIFN0cmVldAogICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgTWFuY2hlc3Rl ciwgTTEgMkhGLCBVbml0ZWQgS2luZ2RvbQoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMu eGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3Rp bmZvL3hlbi1kZXZlbA== From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 856D4C28CC2 for ; Thu, 30 May 2019 15:17:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 65A5D25CA2 for ; Thu, 30 May 2019 15:17:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727220AbfE3PRP (ORCPT ); Thu, 30 May 2019 11:17:15 -0400 Received: from imap1.codethink.co.uk ([176.9.8.82]:57604 "EHLO imap1.codethink.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725961AbfE3PRO (ORCPT ); Thu, 30 May 2019 11:17:14 -0400 Received: from [167.98.27.226] (helo=xylophone) by imap1.codethink.co.uk with esmtpsa (Exim 4.84_2 #1 (Debian)) id 1hWMnY-0008Bg-0Q; Thu, 30 May 2019 16:16:56 +0100 Message-ID: <1559229415.24330.2.camel@codethink.co.uk> Subject: [stable] xen/pciback: Don't disable PCI_COMMAND on PCI device reset. From: Ben Hutchings To: Konrad Rzeszutek Wilk Cc: Prarit Bhargava , Juergen Gross , xen-devel@lists.xenproject.org, stable Date: Thu, 30 May 2019 16:16:55 +0100 Organization: Codethink Ltd. Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.22.6-1+deb9u1 Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org I'm looking at CVE-2015-8553 which is fixed by: commit 7681f31ec9cdacab4fd10570be924f2cef6669ba Author: Konrad Rzeszutek Wilk Date:   Wed Feb 13 18:21:31 2019 -0500     xen/pciback: Don't disable PCI_COMMAND on PCI device reset. I'm aware that this change is incompatible with qemu < 2.5, but that's now quite old. Do you think it makes sense to apply this change to some stable branches? Ben. -- Ben Hutchings, Software Developer   Codethink Ltd https://www.codethink.co.uk/ Dale House, 35 Dale Street Manchester, M1 2HF, United Kingdom