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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 66663C77B7A for ; Thu, 18 May 2023 09:26:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230171AbjERJ0w (ORCPT ); Thu, 18 May 2023 05:26:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50054 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229810AbjERJ0s (ORCPT ); Thu, 18 May 2023 05:26:48 -0400 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1D1CFC3; Thu, 18 May 2023 02:26:47 -0700 (PDT) Received: from pps.filterd (m0279868.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 34I8iWYk017337; Thu, 18 May 2023 09:26:21 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : references : in-reply-to : content-type : content-transfer-encoding : mime-version; s=qcppdkim1; bh=l4eWh7+rn5/X+0JGaPIW3uUeEg7Fa2SZlqeEZEpEiks=; b=LEAD5wwSE9HQJ9AycMMftYTnwwtmawYiXqE85eGs4AgcRF7WbnUd2KBnpBlTCSXkCfUf ytXqLUtq9CRohao6lhKF0k2HkjLEsSEgGgLIbj/Zhh+GFd0l8gCNS2bSqjPxVyxgYt0/ XPllS0UVuGtQRTHSW6b9WmH2dLss3CLFYhx2X/pcFoiwwQwHUtjTj8rQTrynzuiy8fDo RdkHgsib7kZj3QOa3vr1S/yf5CGXe1gJCsp1Drj9ALCHI2nP6cCNDFQjN8zmmEj7XgcR /eT/gQkmwW7TXw/HUkfKWenW2Vc7QNhnhsHoVSoGRabQXtMGmEvSvLluZSUGrqpanxu+ 6w== Received: from nalasppmta04.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3qn73us21x-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 18 May 2023 09:26:21 +0000 Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA04.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 34I9PqFa006447 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 18 May 2023 09:25:52 GMT Received: from nalasex01a.na.qualcomm.com (10.47.209.196) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.42; Thu, 18 May 2023 02:25:52 -0700 Received: from nalasex01a.na.qualcomm.com ([fe80::5cb1:e5a2:c713:5b68]) by nalasex01a.na.qualcomm.com ([fe80::5cb1:e5a2:c713:5b68%4]) with mapi id 15.02.0986.042; Thu, 18 May 2023 02:25:52 -0700 From: "Pradeep Pragallapati (QUIC)" To: Damien Le Moal CC: Yu Kuai , "axboe@kernel.dk" , "linux-block@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "yukuai (C)" , Christoph Hellwig Subject: RE: [PATCH V1] block: Fix null pointer dereference issue on struct io_cq Thread-Topic: [PATCH V1] block: Fix null pointer dereference issue on struct io_cq Thread-Index: AQHZiJvu5joNBe/ZIUyNvEQWRViGA69en4qAgAAGL4CAAABcAIAAAuMAgAD7kXA= Date: Thu, 18 May 2023 09:25:52 +0000 Message-ID: <7e32c001d222483394327c5802a6c985@quicinc.com> References: <20230517084434.18932-1-quic_pragalla@quicinc.com> <07b8b870-a464-25a9-c0a6-c123fad05ff5@huaweicloud.com> <344bfde9-5f7e-80a2-038f-3bfc387ea678@kernel.org> In-Reply-To: <344bfde9-5f7e-80a2-038f-3bfc387ea678@kernel.org> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.217.217.238] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: 8jhhghv1qUXGe0RYN3HCsKAQqt7O2nCV X-Proofpoint-GUID: 8jhhghv1qUXGe0RYN3HCsKAQqt7O2nCV X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-05-18_07,2023-05-17_02,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 lowpriorityscore=0 priorityscore=1501 mlxlogscore=454 malwarescore=0 impostorscore=0 bulkscore=0 mlxscore=0 clxscore=1011 adultscore=0 spamscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2304280000 definitions=main-2305180071 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org SGksDQoNCi0tLS0tT3JpZ2luYWwgTWVzc2FnZS0tLS0tDQpGcm9tOiBEYW1pZW4gTGUgTW9hbCA8 ZGxlbW9hbEBrZXJuZWwub3JnPiANClNlbnQ6IFdlZG5lc2RheSwgTWF5IDE3LCAyMDIzIDM6MDIg UE0NClRvOiBDaHJpc3RvcGggSGVsbHdpZyA8aGNoQGluZnJhZGVhZC5vcmc+DQpDYzogWXUgS3Vh aSA8eXVrdWFpMUBodWF3ZWljbG91ZC5jb20+OyBQcmFkZWVwIFByYWdhbGxhcGF0aSAoUVVJQykg PHF1aWNfcHJhZ2FsbGFAcXVpY2luYy5jb20+OyBheGJvZUBrZXJuZWwuZGs7IGxpbnV4LWJsb2Nr QHZnZXIua2VybmVsLm9yZzsgbGludXgta2VybmVsQHZnZXIua2VybmVsLm9yZzsgeXVrdWFpIChD KSA8eXVrdWFpM0BodWF3ZWkuY29tPg0KU3ViamVjdDogUmU6IFtQQVRDSCBWMV0gYmxvY2s6IEZp eCBudWxsIHBvaW50ZXIgZGVyZWZlcmVuY2UgaXNzdWUgb24gc3RydWN0IGlvX2NxDQoNCk9uIDUv MTcvMjMgMTg6MjEsIENocmlzdG9waCBIZWxsd2lnIHdyb3RlOg0KPiBPbiBXZWQsIE1heSAxNywg MjAyMyBhdCAwNjoyMDoxOVBNICswOTAwLCBEYW1pZW4gTGUgTW9hbCB3cm90ZToNCj4+IHR3aWNl IGZvciB0aGUgc2FtZSBpY3EuIFRoZSBtaXNzaW5nIHJjdSBsb2NrIGluIGlvY19leGl0X2ljcXMo KSANCj4+IGFscmVhZHkgd2FzIGluIGl0c2VsZiBhIGJ1ZywgYW5kIHRoZSBtaXNzaW5nIGZsYWcg Y2hlY2sgaXMgYW5vdGhlci4NCj4gDQo+IHNwaW5sb2NrcyBpbXBseSBhIHJjdSBjcml0aWNhbCBz ZWN0aW9uLCBubyBuZWVkIHRvIGR1cGxpY2F0ZSBpdC4NCg0KUmlnaHQuIEFuZCBJIG1pc3JlYWQg dGhlIGNvZGUuIEFzIFl1IHNhaWQsIGdpdmVuIHRoYXQgaW9jX2V4aXRfaWNxcygpIGl0ZXJhdGVz IHRoZSBsaXN0IG9mIGljcXMgdW5kZXIgaW9jLT5sb2NrIGFuZCB0aGUgaW9jIGlzIHJlbW92ZWQg ZnJvbSB0aGF0IGxpc3QgdW5kZXIgdGhlIHNhbWUgbG9jaywgaW9jX2V4aXRfaWNxcygpIHNob3Vs ZCBuZXZlciBzZWUgYW4gaWNxIHRoYXQgd2VudCB0aHJvdWdoIGlvY19kZXN0cm95X2ljcSgpLi4u DQpWZXJ5IHdlaXJkLg0KDQpUaGlzIHdlaXJkIGNhbiBiZSBwb3NzaWJsZSANCjEuIHVwZGF0aW5n IGljcV9oaW50IHdoaWNoIGlzIGFubm90YXRlZCBhcyBfX3JjdSB0eXBlIHdpdGhvdXQgUkNVLXBy b3RlY3RlZCBjb250ZXh0IGluIGlvY19kZXN0cm95X2ljcSgpLg0KTW9yZW92ZXIsIHRoaXMgd2Fz IHRha2VuIGNhcmUgaW4gZWxzZSBwYXJ0IG9mIGlvY19yZWxlYXNlX2ZuKCkgYnkgcmN1X3JlYWRf bG9jay91bmxvY2soKSBidXQgbWlzc2VkIGluIGlmIHN0YXRlbWVudCB3aGljaCBjYW4gbGVhZCB0 byB0aGlzIHdlaXJkLg0KDQoyLiBleHRyYWN0aW5nIGljcSBmcm9tIGhsaXN0L2xpc3QgZWxlbWVu dHMgYXJlIGRvbmUgdXNpbmcgcmN1IGxvY2tzIHByb3RlY3RlZCBpbiBpb2NfY2xlYXJfcXVldWUo KSBidXQgc2FtZSB3YXMgbm90IGF0IGlvY19leGl0X2ljcXMoKS4NCg0KU28sIGZhciB3ZSBoYXZl IHNlZW4gMTArIGluc3RhbmNlcyBvZiB0aGlzIGNyYXNoIG9uIDYuMSBrZXJuZWwgZHVyaW5nIHN0 YWJpbGl0eSB0ZXN0aW5nIChJbnZvbHZlcyBJTywgcmVib290cywgZGV2aWNlIHN1c3BlbmQvcmVz dW1lLCBhbmQgZmV3IG1vcmUpLg0KV2l0aCB0aGUgVjEgcGF0Y2gsIHdlIGRpZG4ndCBvYnNlcnZl IHRoZSBpc3N1ZSBmb3IgYXQgbGVhc3QgNDhocnMrIG9mIHN0YWJpbGl0eSB0ZXN0aW5nLg0KDQoN Ci0tDQpEYW1pZW4gTGUgTW9hbA0KV2VzdGVybiBEaWdpdGFsIFJlc2VhcmNoDQoNCg==