From nobody Mon Sep 16 19:32:03 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1720945525; cv=none; d=zohomail.com; s=zohoarc; b=GnuErqrq1vSzMs8WUGlx5c2Y8g7JQxR3ridgLfBLgnmkALtqDwfbNY+wfsPTbms5GmdVCRZumSm/0daAD2QMC0TpVATrgLupt//zzdqzFEamm2Hy8dXRi5nKN0xIfLMpWbDlTMEbcgjHYJMtcMqCxa77ZzhkYxdhYlJcFYCIntE= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1720945525; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=+mlhbqk20RxK7AHwT9MoUCKqjXkQEO9E9xZQNy9TdV0=; b=KQYoQgbV8uCZc2ccmcrIahz3c5ybxwX2T1GViIodlDArxEl41ghSbrVZ8DLTuF7CL+LyMGqjje3C9HDo8jtOYv5vCMej17u06zQcxH1oEIK85q5Jn0p+J5eq8L/YgFClIHlqNk5jUAJSgFsVU63dY1Agdzd6l8Eb4Dz4IvAz0Do= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1720945525209549.7884230227888; Sun, 14 Jul 2024 01:25:25 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sSuX3-0000B6-Jv; Sun, 14 Jul 2024 04:24:33 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sSuX2-0008WM-1J; Sun, 14 Jul 2024 04:24:32 -0400 Received: from mail-pg1-x533.google.com ([2607:f8b0:4864:20::533]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sSuX0-00038p-G1; Sun, 14 Jul 2024 04:24:31 -0400 Received: by mail-pg1-x533.google.com with SMTP id 41be03b00d2f7-75ee39f1ffbso2293048a12.2; Sun, 14 Jul 2024 01:24:29 -0700 (PDT) Received: from jeuk-MS-7D42.. ([210.223.46.112]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-70b7eca7886sm2301390b3a.170.2024.07.14.01.24.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 14 Jul 2024 01:24:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1720945467; x=1721550267; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=+mlhbqk20RxK7AHwT9MoUCKqjXkQEO9E9xZQNy9TdV0=; b=QNwRCmW3j+FboK30Lk8jBzhhU9I2Wd6INbMSCV+/vXv8MavBnpabcva2irF8+ujxTH KZ/dyD3jOHlP6FXBAsIr6aExpBvx7dE1WOt53wNsK6I4agCdhgjf+/SBGLcQijlB+nMA mlbBSJULCt+UuTYHptHJfCnL9vw0r2ofskonVc3EDLK4/1LXKq7d6rV2UcXw3/xnwmUE NEnQLknZUIzJZRaC8ehBuxqhpAy4cYn/4PTj33TSYZe4Z5Hrt0Eyae4vj3VOomS84vVs lC7PGm89jrwneCbBChaDFrnhPCTZwBy9uq49ChQCPMbKpkGjHWgNGByQ8waSXYIFEeFt 0W8g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1720945467; x=1721550267; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=+mlhbqk20RxK7AHwT9MoUCKqjXkQEO9E9xZQNy9TdV0=; b=o/Ic/IekRqiplLjqhSsuzM7JtoC0t46mxljIK9ANJQpmTIAppXnuF2EK6dVnXKj9mh r7eZM7QUtIa4+/X+LewHviG3JLjn5274jVAru2yj7Y/nnRisJtDFvF++SkSWVhl5JPR6 PTGmNBStEedaEWPnKFB1O1FloLXOQQMLdZF2YnjxfF16P1Ah6hEVj53lHdqWhtFYsp+B KHci4UvMFJGgv5xoqUvpKDuXoKrbYywKbklPZupLgGBUg/miKhkYChbwxKrXPjhxpFLr WGvY/6oGhGjYua/kSY1Zg6qnEMZYazTplc5ED//snI+Pna9tKAxewFp5EjBkSfA2e/Du fm+A== X-Forwarded-Encrypted: i=1; AJvYcCUV9l8hB9GN2wElvbh/sJc+4Le72R2M75P7WAq4NP3qwEtekvpfPcdi/kXsEJYu86BDqFmhFmCeso5rXwjXpOlm5gmOwuo= X-Gm-Message-State: AOJu0YwUzRMCF3lyMXsvS6DEj3K0WFrqpfZTPXlwSDBmuwcQvGab1fOi IqeksmCZCSDFA+1IA80o7Ot/UsFh41FIzaKJgFzW9kGSZN7hd4QVO2qXTf9J X-Google-Smtp-Source: AGHT+IGz9XY8b1S3QGf17OfftQZfXlPGZWFqkU1F/xq13lbLuQPUIWdqaqvD6GZ7ZIQw04qrxLjuUQ== X-Received: by 2002:a05:6a21:78a9:b0:1bd:a048:7fcc with SMTP id adf61e73a8af0-1c2984c9eb4mr21040508637.46.1720945467129; Sun, 14 Jul 2024 01:24:27 -0700 (PDT) From: Jeuk Kim To: qemu-devel@nongnu.org, richard.henderson@linaro.org Cc: fam@euphon.net, pbonzini@redhat.com, qemu-block@nongnu.org, jeuk20.kim@samsung.com, j-young.choi@samsung.com, thuth@redhat.com, Zheyu Ma , Minwoo Im Subject: [PULL v2 1/1] hw/ufs: Fix mcq register range check logic Date: Sun, 14 Jul 2024 17:24:16 +0900 Message-Id: <50475f1511964775ff73c2b07239c3ff571f75cd.1720944812.git.jeuk20.kim@samsung.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::533; envelope-from=jeuk20.kim@gmail.com; helo=mail-pg1-x533.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1720945526034116600 Content-Type: text/plain; charset="utf-8" From: Jeuk Kim The function ufs_is_mcq_reg() and ufs_is_mcq_op_reg() only evaluated the range of the mcq_reg and mcq_op_reg offset, which is defined as a constant. Therefore, it was possible for them to return true even though the ufs device is configured to not support the mcq. This could cause ufs_mmio_read()/ufs_mmio_write() to result in Null-pointer-dereference. So fix it. Resolves: #2428 Fixes: 5c079578d2e4 ("hw/ufs: Add support MCQ of UFSHCI 4.0") Reported-by: Zheyu Ma Signed-off-by: Jeuk Kim Reviewed-by: Minwoo Im --- hw/ufs/ufs.c | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) diff --git a/hw/ufs/ufs.c b/hw/ufs/ufs.c index 683fff5840..945a0ea127 100644 --- a/hw/ufs/ufs.c +++ b/hw/ufs/ufs.c @@ -57,14 +57,26 @@ static inline uint64_t ufs_reg_size(UfsHc *u) =20 static inline bool ufs_is_mcq_reg(UfsHc *u, uint64_t addr, unsigned size) { - uint64_t mcq_reg_addr =3D ufs_mcq_reg_addr(u, 0); + uint64_t mcq_reg_addr; + + if (!u->params.mcq) { + return false; + } + + mcq_reg_addr =3D ufs_mcq_reg_addr(u, 0); return (addr >=3D mcq_reg_addr && addr + size <=3D mcq_reg_addr + sizeof(u->mcq_reg)); } =20 static inline bool ufs_is_mcq_op_reg(UfsHc *u, uint64_t addr, unsigned siz= e) { - uint64_t mcq_op_reg_addr =3D ufs_mcq_op_reg_addr(u, 0); + uint64_t mcq_op_reg_addr; + + if (!u->params.mcq) { + return false; + } + + mcq_op_reg_addr =3D ufs_mcq_op_reg_addr(u, 0); return (addr >=3D mcq_op_reg_addr && addr + size <=3D mcq_op_reg_addr + sizeof(u->mcq_op_reg)); } --=20 2.34.1