Revision: 13895
http://edk2.svn.sourceforge.net/edk2/?rev=13895&view=rev
Author: lgao4
Date: 2012-10-30 08:36:02 +0000 (Tue, 30 Oct 2012)
Log Message:
-----------
Fix memory out of band access in AsmFxSave() and AsmFxRestore().
Signed-off-by: Liming Gao <[email protected]>
Reviewed-by: Feng Tian <[email protected]>
Modified Paths:
--------------
trunk/edk2/EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseLib/X86FxRestore.c
trunk/edk2/EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseLib/X86FxSave.c
Modified:
trunk/edk2/EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseLib/X86FxRestore.c
===================================================================
---
trunk/edk2/EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseLib/X86FxRestore.c
2012-10-30 08:35:08 UTC (rev 13894)
+++
trunk/edk2/EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseLib/X86FxRestore.c
2012-10-30 08:36:02 UTC (rev 13895)
@@ -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 @@
//
// 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);
}
Modified:
trunk/edk2/EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseLib/X86FxSave.c
===================================================================
---
trunk/edk2/EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseLib/X86FxSave.c
2012-10-30 08:35:08 UTC (rev 13894)
+++
trunk/edk2/EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseLib/X86FxSave.c
2012-10-30 08:36:02 UTC (rev 13895)
@@ -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 @@
//
// 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;
}
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