Received: by 2002:a05:6a10:a852:0:0:0:0 with SMTP id d18csp674910pxy; Fri, 30 Apr 2021 13:49:46 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxMyb/5ehXHQe+3OvAaUc1FNxLwS8bboN/+GdI2B6g6FwS+2ttBamFRsFpk9gYulXUBjEID X-Received: by 2002:a17:906:414d:: with SMTP id l13mr6223128ejk.527.1619815786233; Fri, 30 Apr 2021 13:49:46 -0700 (PDT) Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id ds7si4791773ejc.164.2021.04.30.13.49.22; Fri, 30 Apr 2021 13:49:46 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@synopsys.com header.s=mail header.b=AtqV5aaA; dkim=fail header.i=@synopsys.com header.s=selector1 header.b=BrBuSWqN; arc=fail (signature failed); spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=synopsys.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235431AbhD3UrN (ORCPT + 99 others); Fri, 30 Apr 2021 16:47:13 -0400 Received: from smtprelay-out1.synopsys.com ([149.117.73.133]:52048 "EHLO smtprelay-out1.synopsys.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231265AbhD3UrM (ORCPT ); Fri, 30 Apr 2021 16:47:12 -0400 Received: from mailhost.synopsys.com (badc-mailhost4.synopsys.com [10.192.0.82]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by smtprelay-out1.synopsys.com (Postfix) with ESMTPS id 546874043E; Fri, 30 Apr 2021 20:46:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=synopsys.com; s=mail; t=1619815583; bh=GbMIczPTnnRephqd+l3mI3WYBrJvTxGXKuKlWzS4Wsw=; h=From:To:CC:Subject:Date:From; b=AtqV5aaAXE4Y3WYEqXhblkBXoY/HSuPnE/lqXvWiv5nHoWNPHmcKsezac2qsCZPWR r7DQgIWYi1Ld8TzGUsdddHSqBw/GzDXMK7t8AasLQ1d/OPaYJl/U/vz3QhjD39FL66 F5QIMbHSsEF94h4dBjqSpFoRLm3kZ62ym9djjUlKxsdDfkNuA8PHukq5cPSolY2iJr jZqoYTWSGBQZ76c0sXi2CikD/HvKXIAFreAdekp+JAUEegg49OpAD8PCxzc38c1Z9X KINSo3e1oxjc3n5p3gHGmdk6QWwJpv3awpRiOCXqGM+F1FBBNji7+wqOk2Ut/YC7Fj eBg+IWiEtl04g== Received: from o365relay-in.synopsys.com (sv2-o365relay1.synopsys.com [10.202.1.137]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by mailhost.synopsys.com (Postfix) with ESMTPS id B756BA005E; Fri, 30 Apr 2021 20:46:20 +0000 (UTC) Received: from NAM04-DM6-obe.outbound.protection.outlook.com (mail-dm6nam08lp2041.outbound.protection.outlook.com [104.47.73.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mail.protection.outlook.com", Issuer "DigiCert Cloud Services CA-1" (verified OK)) by o365relay-in.synopsys.com (Postfix) with ESMTPS id 859D44061D; Fri, 30 Apr 2021 20:46:19 +0000 (UTC) Authentication-Results: o365relay-in.synopsys.com; dmarc=pass (p=reject dis=none) header.from=synopsys.com Authentication-Results: o365relay-in.synopsys.com; spf=pass smtp.mailfrom=vgupta@synopsys.com Authentication-Results: o365relay-in.synopsys.com; dkim=pass (1024-bit key; unprotected) header.d=synopsys.com header.i=@synopsys.com header.b="BrBuSWqN"; dkim-atps=neutral ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=ddTUClwdYcG9BlEw5cwTPgpvCD0KrUUxl9AjP0nzHtx4tN8s5bV0h4tV0fGlSqyx0SEyWpQuaK7YQRJkz+G1Uvrq4vdGiAMGI+VFy/kc8HFwb68Yz91aUOcOw09szYVh+IUw2oMQ8Ovzuu7q5+J+JoFbuRV/eVXsO8kO2JnR/rCnN9JrvxMe86ywQR4K8w7R7yh0EgA4x3tS4EkAqhBVuLHqfh6/YkmSLFTgBTNGZ78E6F7tLJUhQQIHCz/NSsLIncWgY+1xc7cjWwQv4xPCTT4ITI3HAp4Xet6vXJTG0DnRHiypviJEyaDx+VFyyjM3yShgx/VuoFQHNitwggq2uQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=GbMIczPTnnRephqd+l3mI3WYBrJvTxGXKuKlWzS4Wsw=; b=JdMiF3+YNWVZi4dq4uBSrcKUy1bFvW/cdJBYf57VgDEJwASFmEOXCQsGRdnoyYuecNg7Q4ni4RAZoye0vuCcVd6rVYikEvUhI0ZS26ZKAU+ojQgbk5Weqv81iMjl48o/wwJWhhGWK2AtvYHNZOWl6L9sBJlCy/T/4m6JuSbB5D/2KDVNiOw2RbLB/hEVrb8k+l5FYt57s5ruNrtQD7QRDcg41aJSZxsQRHMNQJ30INp/lFNd7fELOkABLYCp6Gmb1hRM10PIdiVoYZqrwMHhMDKHq3fOs58YL9sfCX797baa3orGVr1G1MU/vXcxlG6Kfq2pfKhak9iqqxiFPGQiHg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=synopsys.com; dmarc=pass action=none header.from=synopsys.com; dkim=pass header.d=synopsys.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=synopsys.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=GbMIczPTnnRephqd+l3mI3WYBrJvTxGXKuKlWzS4Wsw=; b=BrBuSWqN5//l3+TpqiVjECHuPGuydoVPlDJAA7YLZZjIP8MuzPZZW/uiGUWBGEXk2asQYEDfPAYCEKnihL3T4NyLq1PzSu56L2C8L4S37PV9qzBXqRc/BdH5S/3V4+97+B96KijFTCHEobtmKvanIZ8TYAspWAMPg4jUKPrlNvo= Received: from BYAPR12MB3479.namprd12.prod.outlook.com (2603:10b6:a03:dc::26) by BY5PR12MB4098.namprd12.prod.outlook.com (2603:10b6:a03:205::8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4065.22; Fri, 30 Apr 2021 20:46:17 +0000 Received: from BYAPR12MB3479.namprd12.prod.outlook.com ([fe80::d1a0:ed05:b9cc:e94d]) by BYAPR12MB3479.namprd12.prod.outlook.com ([fe80::d1a0:ed05:b9cc:e94d%7]) with mapi id 15.20.4087.035; Fri, 30 Apr 2021 20:46:16 +0000 X-SNPS-Relay: synopsys.com From: Vineet Gupta To: Arnd Bergmann , Peter Zijlstra , Masahiro Yamada , Linus Torvalds , Jann Horn CC: lkml , arcml , "linux-arch@vger.kernel.org" Subject: Heads up: gcc miscompiling initramfs zlib decompression code at -O3 Thread-Topic: Heads up: gcc miscompiling initramfs zlib decompression code at -O3 Thread-Index: AQHXPgHd1RlrjZ3rIE6wtN03PsVzsg== Date: Fri, 30 Apr 2021 20:46:16 +0000 Message-ID: <75d07691-1e4f-741f-9852-38c0b4f520bc@synopsys.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.1 authentication-results: kernel.org; dkim=none (message not signed) header.d=none;kernel.org; dmarc=none action=none header.from=synopsys.com; x-originating-ip: [149.117.75.11] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 5f48d204-db90-486e-ca0d-08d90c190062 x-ms-traffictypediagnostic: BY5PR12MB4098: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:8882; x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: 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 x-forefront-antispam-report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:BYAPR12MB3479.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFS:(136003)(376002)(366004)(39850400004)(346002)(396003)(26005)(478600001)(186003)(8936002)(6512007)(54906003)(64756008)(38100700002)(6506007)(110136005)(2616005)(71200400001)(6486002)(966005)(36756003)(66476007)(4326008)(316002)(86362001)(83380400001)(31686004)(8676002)(2906002)(5660300002)(66556008)(122000001)(66946007)(66446008)(76116006)(31696002)(43740500002)(45980500001);DIR:OUT;SFP:1102; x-ms-exchange-antispam-messagedata: =?utf-8?B?UEpqTDVTdnJNa1kwYVUxTUFiZkxQR00xamk2Z0FtdmRMcDdFK2ZaTlorRXR6?= =?utf-8?B?QU11MVg4WFhxN0NzcXAzU1JEMkV5bC8vUXdQNmpyNTdlcmllTm92K1c0a3kr?= =?utf-8?B?akNoM3Vzbk1EUGNaM3lRZHNjejBuamVuekUyNkI2ajZ4STRnY3pVTm9qeDk5?= =?utf-8?B?WEFCYUM1M1p3UFFMOHVuOE5LcEk5L2VRUmxmUkNtTGEzL3Z3R1gxMDRVK2g0?= =?utf-8?B?NFZsNUR0SXdlR0ZUeUJ5Q1o0cHpUc3paaTR3eEE0UjhBYXVLYlZLRjA0ejNP?= =?utf-8?B?MGNPNVVTQkt5WURHN3pXdVBNNUtJZlBhYTN0NHU0NitEWC94QUlKOXJzS0t1?= =?utf-8?B?b21kWHYrdWovZWszVUFlQzZUWXdYYVM3Um5CdEFyZXA0OUYwdFQ4M2RGMGpo?= =?utf-8?B?YzBaeU9pRWkxQ29qWGJoY3d5SnNKRkpaN04vZmREZ0E0TExpYnd3SWd3akxM?= =?utf-8?B?UDNyNkk5SHpDbnB1cW0zcCtqRU5VdmUrbUtSKzA5WTBQOFNkdFU3YVdsR1h6?= =?utf-8?B?MVhSMXJpdmpnYk1qZHAwTkNoTTBIUEh4UHF4TSt1Z1JFL3dYdnczQkhlbnB4?= =?utf-8?B?c1dLM2tFNUlEME93V2NXMVh6ZW4yakVHVFpFc1hLVzlSczhaK0ltaG1DdUdi?= =?utf-8?B?VkYvQzZQUGFRYmNjTjVYdEpGU1l0YWpPRGMvV041RzVoMTdsOG9xNGg1bTZK?= =?utf-8?B?eW9VSUpyVGl3SnUxRmp1ME5vWWlVSUxPZW5BbVhxWko2YSswb0xhOHl2dkR5?= =?utf-8?B?UU95YU9aZmJDRXNKUGxRZWRjRk53d0V3UnVQckxHVGRXQjZhdmRuNVhCY1RT?= =?utf-8?B?QVFoNXZXalJ0bkRWcGpTOGhJd3N0NGZ6eUtqQVd2WlRlNG5wdkNpNTBid05q?= =?utf-8?B?UkNqZFZSajZJRExOakdRQm5zQTdsWG9LRkdGVmJjMWFrRkhBY2toS1NRQjh0?= =?utf-8?B?VlVldlRiZ0JiMkZxaGNGVE42MVBVYzZtTFF4eWZGR2l6QStUQk1xZzJSVktr?= =?utf-8?B?aURkZUN1MlFwTlJieUNXQlJNandvcG41U2dFcDEvSmQzZkRaK2kyWDRWbGY4?= =?utf-8?B?SFpUQjJVQ3ZuVklxNkF6b3RJaUlZMHR6dnQzSW1iQmR6RFRoSWU3U0htV2dn?= =?utf-8?B?MkVrT1dGVmhpbm13b05vZzNTLzRxZ1pDdU40NVJiR2JIcHc0QVVxYzd3TWhl?= =?utf-8?B?WDNoVTZiOHlUUE1xaldNYkljamIwdTFKRzd6VHpoSDRKdDdzanBQQ3RydFYw?= =?utf-8?B?Q2w5ZmNtblF3bFVYRExRMWVjTk5NZk5pM2FXUFA1L291RHpxNC82YlQwYVlq?= =?utf-8?B?S2NBWGJJVnFaYUFNOGE4d3kxamc5OVhqdnFrbmRTdndiTTdOeGxwbVBlZ0dh?= =?utf-8?B?VWhmS25CdzhIZ0xSSXVNUUk0c3BIN1g2Y3pYZ3VlTENTMUpHR0lkVUtSWkor?= =?utf-8?B?V0RvWGFseEZSUmd3NHl5VkNjV012NkNKajBCU040d0J6RTdPMllBZ0VNMjJo?= =?utf-8?B?dUZZUnMyY2tCTzlwWjBEV3d4bjNiWjVIMlB2QWhtMy9jRkpteXk4Y1J5R3E5?= =?utf-8?B?SXdBRW1wSWtFejNSSEErS2x2Um9wSDdBR096a3hna29SU1ZjQlBGL2VyWXpi?= =?utf-8?B?VWtnOHZnUmtoWDJoV3Z0c3Bka0tQdWlXRXdqQzRkYVNvNmlmRGpWMzkwMWI2?= =?utf-8?B?UjJIQlNDQ0t0bVh0WVpUZ3kwcHhnT2tFWGFFT1h0RXdrNzRPcXh0TGcxbzV0?= =?utf-8?Q?4MyTDsA0H4V4jdcLFA=3D?= x-ms-exchange-transport-forked: True Content-Type: text/plain; charset="utf-8" Content-ID: <74ED9ADC53D2A8419A08C9C5B00033D8@namprd12.prod.outlook.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-OriginatorOrg: synopsys.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: BYAPR12MB3479.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 5f48d204-db90-486e-ca0d-08d90c190062 X-MS-Exchange-CrossTenant-originalarrivaltime: 30 Apr 2021 20:46:16.8816 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: c33c9f88-1eb7-4099-9700-16013fd9e8aa X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: 96BnqSiMyOuvMw3OzEdNXKDpuNu3rxyse/KTO8pLOnYGrXzRfpIrkJwbCDU/smVi7crhbn11Plv8Z2bMVliRQA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY5PR12MB4098 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org SGksDQoNCkkndmUgaGl0IGEgbWFpbmxpbmUgZ2NjIDEwLjIgKGFsc28gZ2NjIDkuMykgYnVnIHdo aWNoIHRyaWdnZXJzIGF0IC1PMyANCmNhdXNpbmcgd3JvbmcgY29kZWdlbi4NCg0KICBDb25maWcg bmVlZHMgdG8gaGF2ZSBpbml0cmFtZnMgKyBnemlwIGNvbXByZXNzZWQuDQoNCglDT05GSUdfSEFW RV9LRVJORUxfR1pJUD15DQoJQ09ORklHX0tFUk5FTF9HWklQPXkNCglDT05GSUdfREVDT01QUkVT U19HWklQPXkNCglDT05GSUdfSU5JVFJBTUZTX0NPTVBSRVNTSU9OX0daSVA9eQ0KDQogIGxpYi96 bGliX2luZmxhdGUvaW5mZmFzdC5jDQoNCiAgICAgaWYgKGRpc3QgPiAyKSB7DQoJdW5zaWduZWQg c2hvcnQgKnNmcm9tOw0KDQoJc2Zyb20gPSAodW5zaWduZWQgc2hvcnQgKikoZnJvbSk7DQoJbG9v cHMgPSBsZW4gPj4gMTsNCglkbw0KCSAgICAqc291dCsrID0gKnNmcm9tKys7DQogICAgICAgICAg ICAgIF5eXl5eXiAgICBeXl5eXl5eXg0KCXdoaWxlICgtLWxvb3BzKTsNCglvdXQgPSAodW5zaWdu ZWQgY2hhciAqKXNvdXQ7DQoJZnJvbSA9ICh1bnNpZ25lZCBjaGFyICopc2Zyb207DQogICAgIH0N CiAgICAgLi4uDQoNClRoZSBnaXN0IG9mIGlzc3VlIGlzIHRoYXQgZGVzcGl0ZSB1c2Ugb2YgdW5z aWduZWQgc2hvcnQgcG9pbnRlcnMsIGdjYyBpcyANCmdlbmVyYXRpbmcgd2lkZXIgbG9hZC9zdG9y ZXMgKDgtYnl0ZSBMREQvU1REIG9uIGFyY3YyIGFuZCAxNi1ieXRlIG9uIA0KYWFyY2g2NCkgY2F1 c2luZyBleHRyYW5lb3VzIGJ5dGVzIHRvIGNvcGllZCBpbnRvIGluZmxhdGVkIGd6aXAgYmluYXJp ZXMNCm1hbmlmZXN0aW5nIGxhdGVyIGFzIGNvcnJ1cHRlZCBmcmFnbWVudHMgaW4gdGhlIGJpbmFy aWVzLg0KDQpJJ3ZlIG9wZW5lZCBhIGdjYyBidWcgYXQ6DQogICBodHRwczovL2djYy5nbnUub3Jn L2J1Z3ppbGxhL3Nob3dfYnVnLmNnaT9pZD0xMDAzNjMNCg0KVGhlIHdvcmthcm91bmQgaXMgdG8g YnVpbGQgbGliL3psaWJfaW5mbGF0ZS9pbmZmYXN0LmMgd2l0aCAtTzIsIGFsdGhvdWdoIA0KSSBy ZWNrb24gbm90IG1hbnkgYXJjaGVzIGJ1aWxkIHdpdGggLU8zIGFzIGRlZmF1bHQuIEknbGwgYmUg cHJvcG9zaW5nIGFuIA0KQVJDIG9ubHkgcGF0Y2ggdG8gYnVpbGQgdGhpcyBmaWxlIHdpdGggLU8y LCB1bmxlc3MgcGVvcGxlIHRoaW5rIGl0IG5lZWRzIA0KdG8gYmUgZ2VuZXJhbGl6ZWQuDQoNCkFs c28gcHJvYmxlbSBvcmlnaW5hbGx5IHNlZW4gb24gNS42IGtlcm5lbCwgYWx0aG91Z2ggSSBjb25m aXJtIGl0IHNob3dzIA0Kb24gbGF0ZXN0IG1haW5saW5lIGFzIHdlbGwuDQoNClVucmF2ZWxpbmcg dGhpcyBwcmV0dHkgZnVuLCBnb3J5IGRldGFpbHMgZm9yIHRob3NlIGludGVyZXN0ZWQgYXQ6DQoN CiANCmh0dHBzOi8vZ2l0aHViLmNvbS9mb3NzLWZvci1zeW5vcHN5cy1kd2MtYXJjLXByb2Nlc3Nv cnMvdG9vbGNoYWluL2lzc3Vlcy8zNzINCg0KDQpUaHgsDQotVmluZWV0DQo=