From patchwork Mon Dec 28 12:46:59 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 355187 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=-18.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_RED, USER_AGENT_GIT autolearn=unavailable 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 94EBCC433E6 for ; Mon, 28 Dec 2020 13:09:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6647722BF3 for ; Mon, 28 Dec 2020 13:09:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731143AbgL1NJk (ORCPT ); Mon, 28 Dec 2020 08:09:40 -0500 Received: from mail.kernel.org ([198.145.29.99]:37366 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731160AbgL1NJg (ORCPT ); Mon, 28 Dec 2020 08:09:36 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 8DFF222582; Mon, 28 Dec 2020 13:08:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1609160935; bh=fShka0oswP6q+oPjMziHDeTMWXTj5YhmY3JA6kuv8N8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=NUzW5WfKSMtEkFcl6R2PoQFpcotPdtZRjGFhNHiX/8sXpshfpK5XqytJbT5RUQr6a AhoLzjq2xL5xJ7mC0URZVRRa75q1zrms8RSQqUSVFM6ezu6dC4pzbqX29kJG6KUdkq 7JVgK2171oL85Zu7u/nGU6RVXSaxjE/3lUd7NyxY= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Thomas Lamprecht , Dan Carpenter , "Martin K. Petersen" Subject: [PATCH 4.14 014/242] scsi: be2iscsi: Revert "Fix a theoretical leak in beiscsi_create_eqs()" Date: Mon, 28 Dec 2020 13:46:59 +0100 Message-Id: <20201228124905.365452340@linuxfoundation.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201228124904.654293249@linuxfoundation.org> References: <20201228124904.654293249@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Dan Carpenter commit eeaf06af6f87e1dba371fbe42674e6f963220b9c upstream. My patch caused kernel Oopses and delays in boot. Revert it. The problem was that I moved the "mem->dma = paddr;" before the call to be_fill_queue(). But the first thing that the be_fill_queue() function does is memset the whole struct to zero which overwrites the assignment. Link: https://lore.kernel.org/r/X8jXkt6eThjyVP1v@mwanda Fixes: 38b2db564d9a ("scsi: be2iscsi: Fix a theoretical leak in beiscsi_create_eqs()") Cc: stable Reported-by: Thomas Lamprecht Signed-off-by: Dan Carpenter Signed-off-by: Martin K. Petersen Signed-off-by: Greg Kroah-Hartman --- drivers/scsi/be2iscsi/be_main.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/drivers/scsi/be2iscsi/be_main.c +++ b/drivers/scsi/be2iscsi/be_main.c @@ -3013,7 +3013,6 @@ static int beiscsi_create_eqs(struct bei goto create_eq_error; } - mem->dma = paddr; mem->va = eq_vaddress; ret = be_fill_queue(eq, phba->params.num_eq_entries, sizeof(struct be_eq_entry), eq_vaddress); @@ -3023,6 +3022,7 @@ static int beiscsi_create_eqs(struct bei goto create_eq_error; } + mem->dma = paddr; ret = beiscsi_cmd_eq_create(&phba->ctrl, eq, phwi_context->cur_eqd); if (ret) { @@ -3079,7 +3079,6 @@ static int beiscsi_create_cqs(struct bei goto create_cq_error; } - mem->dma = paddr; ret = be_fill_queue(cq, phba->params.num_cq_entries, sizeof(struct sol_cqe), cq_vaddress); if (ret) { @@ -3089,6 +3088,7 @@ static int beiscsi_create_cqs(struct bei goto create_cq_error; } + mem->dma = paddr; ret = beiscsi_cmd_cq_create(&phba->ctrl, cq, eq, false, false, 0); if (ret) {