From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chaitra Basappa Subject: RE: [PATCH] mpt3sas: Don't overreach ioc->reply_post[] during initialization Date: Wed, 23 Mar 2016 14:43:41 +0530 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Return-path: Received: from mail-yw0-f180.google.com ([209.85.161.180]:35003 "EHLO mail-yw0-f180.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753964AbcCWJNo (ORCPT ); Wed, 23 Mar 2016 05:13:44 -0400 Received: by mail-yw0-f180.google.com with SMTP id g127so10973881ywf.2 for ; Wed, 23 Mar 2016 02:13:43 -0700 (PDT) In-Reply-To: Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: "Martin K. Petersen" , Calvin Owens Cc: Sathya Prakash , Suganath Prabu Subramani , "James E.J. Bottomley" , PDL-MPT-FUSIONLINUX , linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-team@fb.com, Sreekanth Reddy Hi, Please consider this patch as Ack-by: Chaitra P B Thanks, Chaitra -----Original Message----- From: Martin K. Petersen [mailto:martin.petersen@oracle.com] Sent: Tuesday, March 22, 2016 6:00 AM To: Calvin Owens Cc: Sathya Prakash; Chaitra P B; Suganath Prabu Subramani; James E.J. Bottomley; Martin K. Petersen; MPT-FusionLinux.pdl@broadcom.com; linux-scsi@vger.kernel.org; linux-kernel@vger.kernel.org; kernel-team@fb.com; Sreekanth Reddy Subject: Re: [PATCH] mpt3sas: Don't overreach ioc->reply_post[] during initialization >>>>> "Calvin" == Calvin Owens writes: Calvin> In _base_make_ioc_operational(), we walk ioc->reply_queue_list Calvin> and pull a pointer out of successive elements of Calvin> ioc->reply_post[] for each entry in that list if RDPQ is Calvin> enabled. Calvin> Since the code pulls the pointer for the next iteration at the Calvin> bottom of the loop, it triggers the a KASAN dump on the final Calvin> iteration: Broadcom folks, please review. Thanks! -- Martin K. Petersen Oracle Linux Engineering