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=-0.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY autolearn=no 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 8370ECA9EA0 for ; Fri, 18 Oct 2019 08:54:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 577C021897 for ; Fri, 18 Oct 2019 08:54:21 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="VDIFG3rR" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733205AbfJRIyV (ORCPT ); Fri, 18 Oct 2019 04:54:21 -0400 Received: from aserp2120.oracle.com ([141.146.126.78]:36562 "EHLO aserp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731444AbfJRIyU (ORCPT ); Fri, 18 Oct 2019 04:54:20 -0400 Received: from pps.filterd (aserp2120.oracle.com [127.0.0.1]) by aserp2120.oracle.com (8.16.0.27/8.16.0.27) with SMTP id x9I2dIMw132639; Fri, 18 Oct 2019 02:41:06 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=to : cc : subject : from : references : date : in-reply-to : message-id : mime-version : content-type; s=corp-2019-08-05; bh=6pqyrIv3f9cOfHiZ/l0SMfNyGHEl0Rc+AgdlmuG5jvQ=; b=VDIFG3rRA0YXxuEmOm1gHGR5qKWdp/DU2IsCXmccDRgGlzKFSGOO2PLeo3q/G3LimlsX n/Fk/lKnHRdwYRSRPdiX1B9Z3i+sRwU4OKFdAZPRF1nez5iO4fWptKxl2CSqKxcSNZUa jdqIIFF1dDhFFYFtHui3E7P2FZmdyDZ2/ZNN2n+3OAMuEkdTtNSHtOtpILrOP0dFNaZ5 X/FjEl5zItp3007waj/K0f5AZtmFBewV1Jdn+CpQKDCy6TdI3E9utZ0xK9Kk0GQs3M7/ nwdyyCWPJAvLPXHqCEcxWTox63liO8Zr9acKYsf3zrAtWtxRpKtB1iXCijs2XK+bxcEl jg== Received: from aserp3020.oracle.com (aserp3020.oracle.com [141.146.126.70]) by aserp2120.oracle.com with ESMTP id 2vq0q40ux2-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 18 Oct 2019 02:41:05 +0000 Received: from pps.filterd (aserp3020.oracle.com [127.0.0.1]) by aserp3020.oracle.com (8.16.0.27/8.16.0.27) with SMTP id x9I2cMs1065697; Fri, 18 Oct 2019 02:41:05 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserp3020.oracle.com with ESMTP id 2vq0ed4eqv-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 18 Oct 2019 02:41:05 +0000 Received: from abhmp0006.oracle.com (abhmp0006.oracle.com [141.146.116.12]) by aserv0122.oracle.com (8.14.4/8.14.4) with ESMTP id x9I2f4um030984; Fri, 18 Oct 2019 02:41:04 GMT Received: from ca-mkp.ca.oracle.com (/10.159.214.123) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Fri, 18 Oct 2019 02:41:04 +0000 To: zhengbin Cc: , , , , Subject: Re: [PATCH v4 2/2] scsi: core: fix uninit-value access of variable sshdr From: "Martin K. Petersen" Organization: Oracle Corporation References: <1571293177-117087-1-git-send-email-zhengbin13@huawei.com> <1571293177-117087-3-git-send-email-zhengbin13@huawei.com> Date: Thu, 17 Oct 2019 22:40:59 -0400 In-Reply-To: <1571293177-117087-3-git-send-email-zhengbin13@huawei.com> (zhengbin's message of "Thu, 17 Oct 2019 14:19:37 +0800") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1.92 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9413 signatures=668684 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=867 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1908290000 definitions=main-1910180025 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9413 signatures=668684 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=954 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1908290000 definitions=main-1910180025 Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org zhengbin, > We can init sshdr in sr_get_events, but there have many callers of > scsi_execute, scsi_execute_req, we have to troubleshoot all callers, > the simpler way is init sshdr in __scsi_execute. There aren't that many callers. I'd prefer to make sure that everybody is handling DRIVER_SENSE and scsi_sense_valid() correctly. Looks like we're generally OK, but please verify. Thanks! -- Martin K. Petersen Oracle Linux Engineering