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authorlgao4 <lgao4@6f19259b-4bc3-4df7-8a09-765794883524>2012-10-30 08:36:02 +0000
committerlgao4 <lgao4@6f19259b-4bc3-4df7-8a09-765794883524>2012-10-30 08:36:02 +0000
commit205627bfb5360f608716f1e4708d17037dd60bd2 (patch)
tree40ac27c38709574f2a8f4b0d5bf93cba7e20c860 /EdkCompatibilityPkg
parent2054fd132a4ffd9cb2dcdcece691c5f5db9b9b4e (diff)
downloadedk2-205627bfb5360f608716f1e4708d17037dd60bd2.tar.gz
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Fix memory out of band access in AsmFxSave() and AsmFxRestore().
Signed-off-by: Liming Gao <liming.gao@intel.com> Reviewed-by: Feng Tian <feng.tian@intel.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13895 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'EdkCompatibilityPkg')
-rw-r--r--EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseLib/X86FxRestore.c4
-rw-r--r--EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseLib/X86FxSave.c4
2 files changed, 4 insertions, 4 deletions
diff --git a/EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseLib/X86FxRestore.c b/EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseLib/X86FxRestore.c
index 50f7c19450..cf3be0a0ff 100644
--- a/EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseLib/X86FxRestore.c
+++ b/EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseLib/X86FxRestore.c
@@ -1,6 +1,6 @@
/*++
-Copyright (c) 2004 - 2006, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2004 - 2012, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@@ -48,7 +48,7 @@ AsmFxRestore (
//
// Check the flag recorded by AsmFxSave()
//
- ASSERT (*(UINT32 *) (&Buffer[sizeof (IA32_FX_BUFFER) - 4]) == 0xAA5555AA);
+ ASSERT (*(UINT32 *) (&Buffer->Buffer[sizeof (Buffer->Buffer) - 4]) == 0xAA5555AA);
InternalX86FxRestore (Buffer);
}
diff --git a/EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseLib/X86FxSave.c b/EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseLib/X86FxSave.c
index d584d258ec..b472981081 100644
--- a/EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseLib/X86FxSave.c
+++ b/EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseLib/X86FxSave.c
@@ -1,6 +1,6 @@
/*++
-Copyright (c) 2004 - 2006, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2004 - 2012, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@@ -49,5 +49,5 @@ AsmFxSave (
//
// Mark one flag at end of Buffer, it will be check by AsmFxRestor()
//
- *(UINT32 *) (&Buffer[sizeof (IA32_FX_BUFFER) - 4]) = 0xAA5555AA;
+ *(UINT32 *) (&Buffer->Buffer[sizeof (Buffer->Buffer) - 4]) = 0xAA5555AA;
}