From nobody Tue Feb 10 19:14:27 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of groups.io designates 66.175.222.108 as permitted sender) client-ip=66.175.222.108; envelope-from=bounce+27952+105895+1787277+3901457@groups.io; helo=mail02.groups.io; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of groups.io designates 66.175.222.108 as permitted sender) smtp.mailfrom=bounce+27952+105895+1787277+3901457@groups.io; dmarc=fail(p=none dis=none) header.from=intel.com ARC-Seal: i=1; a=rsa-sha256; t=1686191307; cv=none; d=zohomail.com; s=zohoarc; b=BEgba100vjJjugG1MvFHrIlCdSBeIZ+/Q4fRV08YZZc+cp40wqe3NlHse0z6ijm9aT+bw/kozvzA3shHtIpuiiT1kbwBaQDnr0akBvnC53pcA0eLzBIjIleZC2CeGWZkf1GUaDNYCtygy0oBwlM/ZLnvrAHaV4oc+azYGk9S98Q= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1686191307; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Reply-To:References:Sender:Subject:To; bh=H/hnj5d4hMLcBU2zjPg8wO/PYl6ZH+EGwfDgUNpuhXA=; b=hM2jYQEn5nKyxX3Jemli7ZmlWAyugwdcFX3BK/94j1lERL4wFiODHlpcAZlF2El52r6vQ3Oe9Gcn6Lx+Di4iE/GHkE4+gSS/smOOXFCVKQbYelAt7609XuGtec8hoSwnqqSzG1JOvCuBZJ5PvvXVxP8vZCBZe7cmXk0f9sStrF8= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of groups.io designates 66.175.222.108 as permitted sender) smtp.mailfrom=bounce+27952+105895+1787277+3901457@groups.io; dmarc=fail header.from= (p=none dis=none) Received: from mail02.groups.io (mail02.groups.io [66.175.222.108]) by mx.zohomail.com with SMTPS id 1686191307326879.6785088462117; Wed, 7 Jun 2023 19:28:27 -0700 (PDT) Return-Path: X-Received: by 127.0.0.2 with SMTP id nP2SYY1788612xjL9kQsjfFl; Wed, 07 Jun 2023 19:28:27 -0700 X-Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by mx.groups.io with SMTP id smtpd.web11.377.1686191300320666390 for ; Wed, 07 Jun 2023 19:28:26 -0700 X-IronPort-AV: E=McAfee;i="6600,9927,10734"; a="357184177" X-IronPort-AV: E=Sophos;i="6.00,225,1681196400"; d="scan'208";a="357184177" X-Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Jun 2023 19:28:26 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10734"; a="774877691" X-IronPort-AV: E=Sophos;i="6.00,225,1681196400"; d="scan'208";a="774877691" X-Received: from shwdeopenlab702.ccr.corp.intel.com ([10.239.55.158]) by fmsmga008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Jun 2023 19:28:24 -0700 From: "duntan" To: devel@edk2.groups.io Cc: Liming Gao , Ray Ni , Jian J Wang Subject: [edk2-devel] [Patch V5 02/14] MdeModulePkg: Remove RO and NX protection when unset guard page Date: Thu, 8 Jun 2023 10:27:30 +0800 Message-Id: <20230608022742.1292-3-dun.tan@intel.com> In-Reply-To: <20230608022742.1292-1-dun.tan@intel.com> References: <20230608022742.1292-1-dun.tan@intel.com> MIME-Version: 1.0 Precedence: Bulk List-Unsubscribe: List-Subscribe: List-Help: Sender: devel@edk2.groups.io List-Id: Mailing-List: list devel@edk2.groups.io; contact devel+owner@edk2.groups.io Reply-To: devel@edk2.groups.io,dun.tan@intel.com X-Gm-Message-State: R5lIEcJpUMZkCoBIstol82Gtx1787277AA= Content-Transfer-Encoding: quoted-printable DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=groups.io; q=dns/txt; s=20140610; t=1686191307; bh=Y+tzgUbdIs168TEkmwDf9FQ8U5ORfmZGjPKbebW3Urg=; h=Cc:Date:From:Reply-To:Subject:To; b=deJToZDV6YBruK4xUlCK6BHzvmDNDak+B7sqFawr/tbjdoxSd1Zh6BYJYKhY4Px5a0S mcIysnQrK2G6zhXDRy6dBLv6n96+R3LbtmT9MG8A8YwlmKZQRJVqtzfysOuXLruJ/Py1o 8I4tBTH7val0yZk5mWjvY43L9mldHnmJaCc= X-ZohoMail-DKIM: pass (identity @groups.io) X-ZM-MESSAGEID: 1686191308312100005 Content-Type: text/plain; charset="utf-8" Remove RO and NX protection when unset guard page. When UnsetGuardPage(), remove all the memory attribute protection for guarded page. Signed-off-by: Dun Tan Cc: Liming Gao Cc: Ray Ni Cc: Jian J Wang Reviewed-by: Ray Ni --- MdeModulePkg/Core/PiSmmCore/HeapGuard.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/MdeModulePkg/Core/PiSmmCore/HeapGuard.c b/MdeModulePkg/Core/Pi= SmmCore/HeapGuard.c index 8f3bab6fee..7daeeccf13 100644 --- a/MdeModulePkg/Core/PiSmmCore/HeapGuard.c +++ b/MdeModulePkg/Core/PiSmmCore/HeapGuard.c @@ -553,7 +553,7 @@ UnsetGuardPage ( mSmmMemoryAttribute, BaseAddress, EFI_PAGE_SIZE, - EFI_MEMORY_RP + EFI_MEMORY_RP|EFI_MEMORY_RO|EFI_M= EMORY_XP ); ASSERT_EFI_ERROR (Status); mOnGuarding =3D FALSE; --=20 2.31.1.windows.1 -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#105895): https://edk2.groups.io/g/devel/message/105895 Mute This Topic: https://groups.io/mt/99399226/1787277 Group Owner: devel+owner@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [importer@patchew.org] -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-