Received: by 2002:a05:6358:3188:b0:123:57c1:9b43 with SMTP id q8csp22350614rwd; Fri, 30 Jun 2023 07:04:29 -0700 (PDT) X-Google-Smtp-Source: APBJJlHdFNkyjawM+9Wb27OqgTYEzFq52LypQSKnkHSe+4GR/9P2wPpYFA6jkLBXevy+MlsX/lzi X-Received: by 2002:a05:6870:170d:b0:1b0:6f63:736f with SMTP id h13-20020a056870170d00b001b06f63736fmr4234373oae.9.1688133869531; Fri, 30 Jun 2023 07:04:29 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1688133869; cv=pass; d=google.com; s=arc-20160816; b=DWWtSSL/h0DGYuFJKfOGPjBIiK7cgl/7gtbm/TpTn4FSh/VnYpLw4z9BAKhYo1bHMt odTgerbULxO4r0qnKy5UVZteqVATb78Ab7dhGg44M2VLqeRBVZCGLH4fwFXK3YtAorFi P+tHee21M/Gp8VCMF39wvvW3vvaDbzFZ26FDcoMKWbKc9MI/WKiQmzmFsOQkdGUdq3D4 efMPpSq0oQGhxbIwH/JUnfZxIj4wf7OKzuklrGKUqnDl70BId0qt6DlsLV15f9A4Gqff M+JrPs128clca7qT5jF36pp+WowiW45h1b9P8/xLpQG+ordQ2suLNiMtQFMyYeQyXnGW 1kPA== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:mime-version:in-reply-to:content-disposition :references:message-id:subject:cc:to:from:date:dkim-signature; bh=wxYLm7D5Gmad0N1wT3zX/H18VCGNWT+3IG4gvA4dqoQ=; fh=1wKMM2GWsuIIqET9oSBul88MOS5Hn3isi5oLVUNnppA=; b=tMQAKhcRILgkEaJeoM49+sk+rVamDJejc0+bZrUISRyxVJOiXIqweoDRtl1T5Tindl 9LRh0cMkEIxKZWHJ1ihC1J7aDtm+ggUy95tagxmLjGuCZwnGzbwRyWSHthmp46EhaH9u nFT3gHXlABeUHuCmg1EUL2TW/lhi0F/B4JCLuSdQiwYHpZEkiMJvMZslr0KAXcIxuEke WmItToI2FFp9hkeUhEPJ66iEDXBkLiwbwuxSX3XdnndXmZvqYOroEpNhYpE7BDAvfG1b QmrTS+j+3stVEZUFzazqvN6Uf8jZMwmNkqT4uVdKipM+fFpX0FjKupwRe6DuJAA1jJlc zSKQ== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@corigine.onmicrosoft.com header.s=selector2-corigine-onmicrosoft-com header.b=WV3mAYD7; arc=pass (i=1 spf=pass spfdomain=corigine.com dkim=pass dkdomain=corigine.com dmarc=pass fromdomain=corigine.com); 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=corigine.com Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id er1-20020a056870c88100b0019b23726081si6628950oab.87.2023.06.30.07.04.12; Fri, 30 Jun 2023 07:04:29 -0700 (PDT) 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=pass header.i=@corigine.onmicrosoft.com header.s=selector2-corigine-onmicrosoft-com header.b=WV3mAYD7; arc=pass (i=1 spf=pass spfdomain=corigine.com dkim=pass dkdomain=corigine.com dmarc=pass fromdomain=corigine.com); 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=corigine.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232607AbjF3N1u (ORCPT + 99 others); Fri, 30 Jun 2023 09:27:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48776 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232559AbjF3N1l (ORCPT ); Fri, 30 Jun 2023 09:27:41 -0400 Received: from NAM10-DM6-obe.outbound.protection.outlook.com (mail-dm6nam10on2124.outbound.protection.outlook.com [40.107.93.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AD0763583; Fri, 30 Jun 2023 06:27:39 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=KsyKScNp57lPAWFTQwnA65UYXmF++2+tYdMsiUL6tnCQGi/1i9cUTm4bdFzGWwhDDH1cH7oUDBJyXi96yowZrnBmeUKTcDSk+5KvaZX4gH9uuJUk1dZy5QGb2Ldo8tOUUI5Bb3iWVtigXlC3MtRHjLvA+cjs65Yq5A+wlX4VOunmM44195OQiGHawQeg/37ZYwLoebmmx9IizRJTO/bXexPcZ8ka4tw/xOCrY9auMlC47fjG3KCjAHY8P0G8bg/Fd5HmX8m7OTFFa1omctlIuFslG1eTtGL08iZe2X7WTngUauiPNMCR2IOgOBnT9ijDle/G3AwishjmqhNk1hzfew== 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-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=wxYLm7D5Gmad0N1wT3zX/H18VCGNWT+3IG4gvA4dqoQ=; b=jg/W221xQoK1smxmHLZrGexL+RU6Iq8uT5KVbG3ss564jR9qaE28nkHhUeAvsOLIFeyAc5YuUQcTGlb+MKNsLrEyM0nWog5p4UBqP8wnja99EqxWF2dJdsHRkRtpLMbEJpmxVPSA+9RAAZV3l/EsPB8shoy7Jz7KaCVCdvcvEbPk+izyuoM0AhnUk2uMsBCdrb03kOdQMM3ySqWlaWvyxvjtkmZTrhsjLFT5GN3xeb2lC01RnkBsD0qgO2ahb5jN0O+rzvE5wBhtO4GOEa6/FNoYtFYZhVRJZQo1DLdOgxoVkWxorsMtY2Qix4aFMPgjcu1HFClUFULdBX3w0hJHzg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=corigine.com; dmarc=pass action=none header.from=corigine.com; dkim=pass header.d=corigine.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=corigine.onmicrosoft.com; s=selector2-corigine-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=wxYLm7D5Gmad0N1wT3zX/H18VCGNWT+3IG4gvA4dqoQ=; b=WV3mAYD7cGha/gOE2iNH2BHj1x1O+zzxvqzFbb1gJFRyN6tQGr33RTzZDiD8XtzaQCkf68+aQD02S16rzLo18aqZ4HtikGm3R4ktHOEtRkglSIL4wuA0c3zuNVVV+H6sX/J5axXbzikaToRID+ydzo4/9OBfkSzvNk5Zso1v46w= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=corigine.com; Received: from PH0PR13MB4842.namprd13.prod.outlook.com (2603:10b6:510:78::6) by DM6PR13MB4527.namprd13.prod.outlook.com (2603:10b6:5:1ba::15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6544.19; Fri, 30 Jun 2023 13:27:37 +0000 Received: from PH0PR13MB4842.namprd13.prod.outlook.com ([fe80::eb8f:e482:76e0:fe6e]) by PH0PR13MB4842.namprd13.prod.outlook.com ([fe80::eb8f:e482:76e0:fe6e%5]) with mapi id 15.20.6544.019; Fri, 30 Jun 2023 13:27:37 +0000 Date: Fri, 30 Jun 2023 15:27:32 +0200 From: Simon Horman To: Hariprasad Kelam Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, davem@davemloft.net, sgoutham@marvell.com, lcherian@marvell.com, gakula@marvell.com, jerinj@marvell.com, sbhatta@marvell.com Subject: Re: [net Patch 3/4] octeontx2-af: Add validation before accessing cgx and lmac Message-ID: References: <20230630062845.26606-1-hkelam@marvell.com> <20230630062845.26606-4-hkelam@marvell.com> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230630062845.26606-4-hkelam@marvell.com> X-ClientProxiedBy: AS4P191CA0010.EURP191.PROD.OUTLOOK.COM (2603:10a6:20b:5d5::13) To PH0PR13MB4842.namprd13.prod.outlook.com (2603:10b6:510:78::6) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PH0PR13MB4842:EE_|DM6PR13MB4527:EE_ X-MS-Office365-Filtering-Correlation-Id: 69986158-fae0-4271-cde0-08db796dc5a6 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 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:PH0PR13MB4842.namprd13.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230028)(4636009)(136003)(39840400004)(366004)(346002)(376002)(396003)(451199021)(83380400001)(2616005)(2906002)(4744005)(38100700002)(36756003)(8936002)(8676002)(5660300002)(86362001)(6512007)(41300700001)(66946007)(66556008)(66476007)(6916009)(4326008)(6666004)(316002)(6486002)(478600001)(186003)(44832011)(6506007)(7416002);DIR:OUT;SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?HHgrFByFQl8RZH/9aBwVRd2u3KSP0kvKYIC+hjZD4vO0AzyrcpYpCBqIUd57?= =?us-ascii?Q?IMQwk2OID4i6eobndBXQHHVcQkWiR1G6Vp+s7EktighFdDPCi2ITif1Ogt/x?= =?us-ascii?Q?uO2mp7hIYNIVpKAz1FI830PVfzaBKsfIgS7hkXV4DlZh4/5HUlxDownpRAxu?= =?us-ascii?Q?VaTfWp0AN3rspA2zUgHfUybnv57M3gKdtgxz+b2OOCxEYj/heL+2a0qaJzSY?= =?us-ascii?Q?2/vy5aGGga2gQYdqY/zN5F87Br/RmkBSSybnJm1m7qDghfSTRb7JYMb5jzR3?= =?us-ascii?Q?Q3+/VokfSXzxhNv68rOM98qCoNY1iaTaglD6WfoFrtShVuLPs6Ozx7IswrZZ?= =?us-ascii?Q?g9N9foxju6PXaVtVxuxg2MtYC6sa1SkSb5/VqnojOHEmH/B7+lAK3ardQA9n?= =?us-ascii?Q?i/3Jh3aMTWrmxVPG9l+bzG37mVWgAYmEh4Jg83Wp8/cCvS44rtbwMNK+cNOW?= =?us-ascii?Q?QNlni5uyll2gbjyuhrYrgV+BMHOVxI9+Hrvw2fiYq879tEmqhkrT+E9hFq5O?= =?us-ascii?Q?efWn1vDAk0bE6yKiAaxVKXFxwTMTIxOWEuGr9cG1Lqw0cEfWdplJBwsFyMts?= =?us-ascii?Q?EYdLHPZlqlM7Uwz6MTDzlPLcOtj773tMx2ZFC8mDym81eRamJHte3oXuzAiw?= =?us-ascii?Q?jd8SBjWR0hVbm5tlvs3iGQSpCXoqxqjkjc+KpNExvU8fF+0bwHzL0PB7LHdl?= =?us-ascii?Q?dYMG1TH47pBK2MRb9mYcmWRoPwOIXNi42K9D9mpHMh6aH9WjpgEaG5+rWNIx?= =?us-ascii?Q?iQHb9gVuCUFfJEbwF24tYE0lOJhPfXgPpp9elpF9xg4zCglMzZLu+yqDQNrP?= =?us-ascii?Q?bYlV4qiNLsS4AuKyn2tdQ6jh4Ubr75Uh8mZCysiO0vVUMf8GhCirBYbsQRYj?= =?us-ascii?Q?hqFzSWt+sEBVvAnWhzAx4UeS7/rcWVWwgX8WzCtHwlgzbz1R4RovkCM4OxXU?= =?us-ascii?Q?jepkJEXAppVq1kHq3UPMSN6n32M526vAHm+qr1rvr4VBRmq6jjEHvXufoir8?= =?us-ascii?Q?/OeEp/AukhOQnX7GzEt9PqP36QyHQv2KGaisKLq37TZssu6P+NWlpDOD2mLm?= =?us-ascii?Q?5tXuL2yikoUsvpKo/Uel0n3glQY4bQqyalB4N9jQnArxYJmEEEvAhoITjCnH?= =?us-ascii?Q?WSjhlW4kDA0XzbkdxSRx403b5BPq7I9UT8g36FCr3xMKUG2dwTuxydsBTZhh?= =?us-ascii?Q?XyJvrhXTfXCb2vzzUo8burqYzNSwAP2H6WF9C6KPzLNY8auUBOazJ5relNmB?= =?us-ascii?Q?XvFt3VjG7XBuIHKqQNitUXH0Y/A19R+N05J4PXm70V11kRQdphgZ7GpMSHgE?= =?us-ascii?Q?YzeLZDpUfzDximswmoc37u9eV9C95Kb7iHu+TaFzBndUJRIUJEzZKVOTNaw1?= =?us-ascii?Q?X8q2FR2t7V/AGAuDDQ0jntEgQsFaqLGlKF9g2/TFULHImhBZvYTZcW4sxNfb?= =?us-ascii?Q?R3mHUg46fRgFjY5ZOaXNiIoxG7kGk9XTPvt3/qxnkt5z4tocwZq3PV98HMMn?= =?us-ascii?Q?ods/4jY1LKOEa6tEItEEN9q+kD4mYOutVinelx6nzVvUDS9xh1rW6aeuFTba?= =?us-ascii?Q?LLHqX4s2OxnzLfpBKghRb2V7IikN0Q0msoXPb1IbNhWFmT22mBlB+Rd+AWQW?= =?us-ascii?Q?LmyEg48u1IUy7k6KIUS3pcFTCHrI7A5sqHrMMCacV1d08Z11hn6ghuvGrsAL?= =?us-ascii?Q?f9s3EA=3D=3D?= X-OriginatorOrg: corigine.com X-MS-Exchange-CrossTenant-Network-Message-Id: 69986158-fae0-4271-cde0-08db796dc5a6 X-MS-Exchange-CrossTenant-AuthSource: PH0PR13MB4842.namprd13.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 30 Jun 2023 13:27:37.8546 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: fe128f2c-073b-4c20-818e-7246a585940c X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: xfLEwHtIq3zOhl8ZV91NLNoLLLwqCo3HH4c0y905hv/OddlKCmFTM0BffNjsW0ttuv62/pGUEYqmtny3LPU5CigZfBnknwNJZXnWU8Q8u6I= X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR13MB4527 X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_PASS, T_SCC_BODY_TEXT_LINE 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 Fri, Jun 30, 2023 at 11:58:44AM +0530, Hariprasad Kelam wrote: > with the addition of new MAC blocks like CN10K RPM and CN10KB > RPM_USX, LMACs are noncontiguous and CGX blocks are also > noncontiguous. But during RVU driver initialization, the driver > is assuming they are contiguous and trying to access > cgx or lmac with their id which is resulting in kernel panic. > > This patch fixes the issue by adding proper checks. > > [ 23.219150] pc : cgx_lmac_read+0x38/0x70 > [ 23.219154] lr : rvu_program_channels+0x3f0/0x498 > [ 23.223852] sp : ffff000100d6fc80 > [ 23.227158] x29: ffff000100d6fc80 x28: ffff00010009f880 x27: > 000000000000005a > [ 23.234288] x26: ffff000102586768 x25: 0000000000002500 x24: > fffffffffff0f000 > > Fixes: 91c6945ea1f9 ("octeontx2-af: cn10k: Add RPM MAC support") > Signed-off-by: Hariprasad Kelam > Signed-off-by: Sunil Goutham Reviewed-by: Simon Horman