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From: "duntan" <dun.tan@intel.com>
To: devel@edk2.groups.io
Cc: Liming Gao <gaoliming@byosoft.com.cn>, Ray Ni <ray.ni@intel.com>,
	Jian J Wang <jian.j.wang@intel.com>
Subject: [Patch V5 02/14] MdeModulePkg: Remove RO and NX protection when unset guard page
Date: Thu,  8 Jun 2023 10:27:30 +0800	[thread overview]
Message-ID: <20230608022742.1292-3-dun.tan@intel.com> (raw)
In-Reply-To: <20230608022742.1292-1-dun.tan@intel.com>

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 <dun.tan@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Jian J Wang <jian.j.wang@intel.com>
---
 MdeModulePkg/Core/PiSmmCore/HeapGuard.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/MdeModulePkg/Core/PiSmmCore/HeapGuard.c b/MdeModulePkg/Core/PiSmmCore/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_MEMORY_XP
                                          );
     ASSERT_EFI_ERROR (Status);
     mOnGuarding = FALSE;
-- 
2.31.1.windows.1


  parent reply	other threads:[~2023-06-08  2:28 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-06-08  2:27 [Patch V5 00/14] Use CpuPageTableLib to create and update smm page table duntan
2023-06-08  2:27 ` [Patch V5 01/14] OvmfPkg:Remove code that apply AddressEncMask to non-leaf entry duntan
2023-06-08 10:33   ` Ni, Ray
2023-06-19 10:26   ` [edk2-devel] " Gerd Hoffmann
2023-06-08  2:27 ` duntan [this message]
2023-06-08 10:08   ` [Patch V5 02/14] MdeModulePkg: Remove RO and NX protection when unset guard page Ni, Ray
2023-06-08 12:18   ` [edk2-devel] " Ard Biesheuvel
2023-06-09  9:10     ` duntan
2023-06-08  2:27 ` [Patch V5 03/14] UefiCpuPkg: Use CpuPageTableLib to convert SMM paging attribute duntan
2023-06-08 10:24   ` Ni, Ray
2023-06-08  2:27 ` [Patch V5 04/14] UefiCpuPkg: Add DEBUG_CODE for special case when clear RP duntan
2023-06-08 10:33   ` Ni, Ray
2023-06-08  2:27 ` [Patch V5 05/14] UefiCpuPkg/PiSmmCpuDxeSmm: Avoid setting non-present range to RO/NX duntan
2023-06-08 10:32   ` [edk2-devel] " Ni, Ray
2023-06-08  2:27 ` [Patch V5 06/14] UefiCpuPkg/PiSmmCpuDxeSmm: Add 2 function to disable/enable CR0.WP duntan
2023-06-08  2:27 ` [Patch V5 07/14] UefiCpuPkg/PiSmmCpuDxeSmm: Clear CR0.WP before modify page table duntan
2023-06-08  2:27 ` [Patch V5 08/14] UefiCpuPkg: Extern mSmmShadowStackSize in PiSmmCpuDxeSmm.h duntan
2023-06-08 10:21   ` Ni, Ray
2023-06-08  2:27 ` [Patch V5 09/14] UefiCpuPkg: Add GenSmmPageTable() to create smm page table duntan
2023-06-08 10:16   ` Ni, Ray
2023-06-08  2:27 ` [Patch V5 10/14] UefiCpuPkg: Use GenSmmPageTable() to create Smm S3 " duntan
2023-06-08  2:27 ` [Patch V5 11/14] UefiCpuPkg: Sort mSmmCpuSmramRanges in FindSmramInfo duntan
2023-06-08 10:16   ` Ni, Ray
2023-06-08  2:27 ` [Patch V5 12/14] UefiCpuPkg: Sort mProtectionMemRange when ReadyToLock duntan
2023-06-08 10:17   ` Ni, Ray
2023-06-08  2:27 ` [Patch V5 13/14] UefiCpuPkg: Refinement to smm runtime InitPaging() code duntan
2023-06-08 10:18   ` Ni, Ray
2023-06-08  2:27 ` [Patch V5 14/14] UefiCpuPkg/PiSmmCpuDxeSmm: Remove unnecessary function duntan

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