Received: by 2002:a05:6358:d09b:b0:dc:cd0c:909e with SMTP id jc27csp1462460rwb; Thu, 8 Dec 2022 10:58:05 -0800 (PST) X-Google-Smtp-Source: AA0mqf7PSKxULFLWSTTG72wcS5zBdQIwnOfBlG48HsrK+Zpa7etbHPe3LtsWbNgBNfbz936bVWvZ X-Received: by 2002:a17:902:7898:b0:188:584d:b6d4 with SMTP id q24-20020a170902789800b00188584db6d4mr78373875pll.170.1670525885152; Thu, 08 Dec 2022 10:58:05 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1670525885; cv=none; d=google.com; s=arc-20160816; b=L6yue9LDmVZvIXIqePyUXAqs7W+w/Ar4xz+yWMQyL/ax4QnvuwDFSUU7juzWRVmRL2 rDvFX/gXVU4Nco6weXiq41SQXQlqmd1wE8/RHn5Z3NluP5992bLtpOsX9UGtB3OOZ01y 2RI3HVk5GWRjD/bwy9KmOCqr9MgAUVMhcZdxexBmU/xLISub098MFGpgC8GlAgIH1wMO pGfEGt++dzJKDEVfsV9RlhOxILSgFMa16Cqro5Le84gNlTbZczuzWyAvhfyoEAoPegJE 4o7+00MUWfsmVPeqdBiswpWP0Dyp65lEIzQEGLmiu3ePX/V8i0LqXsv9dgmZ+qQWK407 KRsw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:in-reply-to:from :content-language:references:cc:to:subject:user-agent:mime-version :date:message-id:dkim-signature; bh=xh7NYgKqJIs6p/O05J4xYYF4pKK9kYdP7khjJXgOgSk=; b=KQn7lantO/CBWzoEukF0wo5jCdNdoY36pgW2m9r7rm0YcYx9Uu+oy4FKbzN00EAt0O qsXWfoNSQXie3DN1rFceS16Ps0NToLCRCXsWpDdm+tnzwJFCw2bBgEuOqJGwqQgM697n cP028Dltdq5nddfWXZWvthbRZ6ET1lAJTneVs76GPRwjNaHqNjFEzXOaEAdewe43uP4I sn2hZbd7nVhYvkf4iZs6G5xl4h/+RBrOlenIQ2T6ktxx/1RNGjwQXVJ7w1I4rzp4XH31 IO0+i3zX2GW5jGMicFYJVCkd3VK9JSxScDICwedmFSRA8QchlzWNtLgPF3PT9ZrKv/xo u8Wg== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@eikelenboom.it header.s=20180706 header.b=F7fd1PyD; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=eikelenboom.it Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id lw8-20020a17090b180800b00205f1a25a31si18104pjb.161.2022.12.08.10.57.56; Thu, 08 Dec 2022 10:58:05 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=fail header.i=@eikelenboom.it header.s=20180706 header.b=F7fd1PyD; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=eikelenboom.it Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230097AbiLHSdd (ORCPT + 72 others); Thu, 8 Dec 2022 13:33:33 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48010 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229995AbiLHSdJ (ORCPT ); Thu, 8 Dec 2022 13:33:09 -0500 Received: from server.eikelenboom.it (server.eikelenboom.it [91.121.65.215]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 252707A199; Thu, 8 Dec 2022 10:31:52 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=eikelenboom.it; s=20180706; h=Content-Transfer-Encoding:Content-Type: In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date:Message-ID:Sender :Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=xh7NYgKqJIs6p/O05J4xYYF4pKK9kYdP7khjJXgOgSk=; b=F7fd1PyDPZxieCswJjDDZ9UCbv nF3RnxOIAWJRm0w4ju2cI30eMoaciQQ9bUN5Tu3wW1SP3oSEqMKWGyD673jHM2Nxa3zHg3+x7vy+t 46VY3PQjvgDB4euRFgOSr13UQ5ByKjXwwIsHGM1eliLUwALKifBOtlA4mPnGMCSfm04Y=; Received: from 131-195-250-62.ftth.glasoperator.nl ([62.250.195.131]:58874 helo=[172.16.1.50]) by server.eikelenboom.it with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.94.2) (envelope-from ) id 1p3LhV-0002BF-8r; Thu, 08 Dec 2022 19:32:53 +0100 Message-ID: Date: Thu, 8 Dec 2022 19:31:40 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.5.1 Subject: Re: Xen + linux 6.1.0-rc8, network to guest VM not working after commit ad7f402ae4f466647c3a669b8a6f3e5d4271c84a fixing XSA-423 To: Andrew Cooper , Ross Lagerwall , Juergen Gross , Xen-devel , Paul Durrant Cc: "linux-kernel@vger.kernel.org" , netdev References: <2f364567-3598-2d86-ae3d-e0fabad4704a@eikelenboom.it> <56054539-4a02-5310-b93f-6baacaf8e007@citrix.com> Content-Language: nl-NL, en-US From: Sander Eikelenboom In-Reply-To: <56054539-4a02-5310-b93f-6baacaf8e007@citrix.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-2.4 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,NICE_REPLY_A,SPF_HELO_PASS, SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 08/12/2022 00:00, Andrew Cooper wrote: > On 07/12/2022 21:42, Sander Eikelenboom wrote: >> Hi Ross / Juergen, >> >> I just updated my linux kernel to the latest of Linus his tree which >> included commit ad7f402ae4f466647c3a669b8a6f3e5d4271c84a fixing XSA-423. >> >> Unfortunately when using this kernel I can't SSH anymore into the Xen >> guest I start, but I don't see any apparent failures either. >> A straight revert of the commit >> ad7f402ae4f466647c3a669b8a6f3e5d4271c84a makes networking function >> normally again. >> >> I have added some of the logging below, perhaps it at gives some idea >> off the state around the Xen network front and backend. >> >> Any ideas or a test patch that I could run to shed some more light on >> what is going on ? > > XSA-423 was buggy.  Fix and discussion at: > > https://lore.kernel.org/xen-devel/681773dd-6264-63ac-a3b5-a9182b9e0cc1@suse.com/T/#t > > ~Andrew Thanks for the pointer Andrew, that fix works for me as well! What a difference a few characters can make :) -- Sander