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=-10.1 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 A521DC63777 for ; Thu, 19 Nov 2020 22:12:07 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 CE75722242 for ; Thu, 19 Nov 2020 22:12:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=ibm.com header.i=@ibm.com header.b="sJSOVUpi" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CE75722242 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.vnet.ibm.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:34190 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kfs9t-00045D-Pc for qemu-devel@archiver.kernel.org; Thu, 19 Nov 2020 17:12:05 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:52076) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kfrwX-0002NK-76 for qemu-devel@nongnu.org; Thu, 19 Nov 2020 16:58:18 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:33046) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kfrwT-0004gR-JI for qemu-devel@nongnu.org; Thu, 19 Nov 2020 16:58:16 -0500 Received: from pps.filterd (m0098394.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 0AJLY2Z6064297; Thu, 19 Nov 2020 16:58:11 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=subject : to : cc : references : from : message-id : date : mime-version : in-reply-to : content-type : content-transfer-encoding; s=pp1; bh=K4VNZor7g3CMmgHOFxWIRDBvVjrM8ZTy8fQSy+2WMF0=; b=sJSOVUpi5rLn2uC/wVgPdgAJ1Qs+k0U2egUiqmXPAhHcOeds36YuvIyh4WjzeYs0f3Fs MdkmsDzLKcjCLGijLjVdMWf1nlC5RGtXKvyO9RivJoYDsyBxil8mpq7z7OIBkhmK3gDN wt9mrhNVHKj8AV0FgpybV8Sie/9huZ8mLKdAGTc5P1YT+ZLyQO312vTosheYKDTwsaMP OBKQULHWcKo3QJwfMa6kS+F0OgJmA3v7sPF5IMtApGffbQhNxT/M8YLI6GSTvWxgESDR CnXzr3QjrF1gPAA34dVk5vzLn23eRsyrYEJoXqufFBOgTxTXg7dAf7T8Go0tNBZPArle rQ== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com with ESMTP id 34x0kb0qbf-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 19 Nov 2020 16:58:11 -0500 Received: from m0098394.ppops.net (m0098394.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.36/8.16.0.36) with SMTP id 0AJLwBDh041230; Thu, 19 Nov 2020 16:58:11 -0500 Received: from ppma02dal.us.ibm.com (a.bd.3ea9.ip4.static.sl-reverse.com [169.62.189.10]) by mx0a-001b2d01.pphosted.com with ESMTP id 34x0kb0qb4-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 19 Nov 2020 16:58:11 -0500 Received: from pps.filterd (ppma02dal.us.ibm.com [127.0.0.1]) by ppma02dal.us.ibm.com (8.16.0.42/8.16.0.42) with SMTP id 0AJLuqtF017144; Thu, 19 Nov 2020 21:58:10 GMT Received: from b03cxnp08026.gho.boulder.ibm.com (b03cxnp08026.gho.boulder.ibm.com [9.17.130.18]) by ppma02dal.us.ibm.com with ESMTP id 34vgjmxh8c-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 19 Nov 2020 21:58:10 +0000 Received: from b03ledav003.gho.boulder.ibm.com (b03ledav003.gho.boulder.ibm.com [9.17.130.234]) by b03cxnp08026.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 0AJLw0JJ27066694 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 19 Nov 2020 21:58:00 GMT Received: from b03ledav003.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 096FA6A04D; Thu, 19 Nov 2020 21:58:09 +0000 (GMT) Received: from b03ledav003.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 758B36A04F; Thu, 19 Nov 2020 21:58:08 +0000 (GMT) Received: from [9.65.247.165] (unknown [9.65.247.165]) by b03ledav003.gho.boulder.ibm.com (Postfix) with ESMTP; Thu, 19 Nov 2020 21:58:08 +0000 (GMT) Subject: Re: [PATCH v3 0/9] Add support for Control-Flow Integrity To: Alexander Bulekov References: <20201105221905.1350-1-dbuono@linux.vnet.ibm.com> <20201106134747.7c9a5050.cohuck@redhat.com> <20201106145841.pijovw2xkieikgrg@mozz.bu.edu> From: Daniele Buono Message-ID: Date: Thu, 19 Nov 2020 16:58:07 -0500 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.4.1 MIME-Version: 1.0 In-Reply-To: <20201106145841.pijovw2xkieikgrg@mozz.bu.edu> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.312, 18.0.737 definitions=2020-11-19_12:2020-11-19, 2020-11-19 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 bulkscore=0 phishscore=0 mlxscore=0 priorityscore=1501 malwarescore=0 mlxlogscore=999 clxscore=1015 impostorscore=0 suspectscore=0 spamscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2011190146 Received-SPF: none client-ip=148.163.156.1; envelope-from=dbuono@linux.vnet.ibm.com; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, NICE_REPLY_A=-0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Paolo Bonzini , Cornelia Huck , qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Hi Alex, Yeah I assumed it was an older version because the errors triggered by clang11 stop the compilation. I checked again and for oss-fuzz, you disable failing on warnings. So again, these patches are not directly connected to CFI and therefore could land independently. On 11/6/2020 9:58 AM, Alexander Bulekov wrote: > I think oss-fuzz is using a bleeding edge version of Clang, so that > might not be a problem. > Here is the oss-fuzz build-log from earlier today: > https://oss-fuzz-build-logs.storage.googleapis.com/log-1747e14f-6b87-43e0-96aa-07ea159e7eb2.txt > > ... > Step #4: C compiler for the host machine: clang (clang 12.0.0 "clang version 12.0.0 (https://github.com/llvm/llvm-project.git c9f69ee7f94cfefc373c3c6cae08e51b11e6d3c2)") > Step #4: C linker for the host machine: clang ld.bfd 2.26.1 > Step #4: Host machine cpu family: x86_64 > ... Yeah I assumed it was an older version because the errors triggered by clang11 stop the compilation. I checked again and for oss-fuzz, you disable failing on warnings. So again, these patches are not directly connected to CFI and therefore could land independently.