Update the MadtLen varaible before the next record is read,
to void infinite loop.
Cc: Chasel Chiu <chasel.c...@intel.com>
Cc: Nate DeSimone <nathaniel.l.desim...@intel.com>
Cc: Liming Gao <gaolim...@byosoft.com.cn>
Cc: Eric Dong <eric.d...@intel.com>
Signed-off-by: Abdul Lateef Attar <abdullateef.at...@amd.com>
---
.../Test/Library/TestPointCheckLib/DxeCheckAcpiMadt.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git
a/Platform/Intel/MinPlatformPkg/Test/Library/TestPointCheckLib/DxeCheckAcpiMadt.c
b/Platform/Intel/MinPlatformPkg/Test/Library/TestPointCheckLib/DxeCheckAcpiMadt.c
index 7e29b47a0b..04cc6f963a 100644
---
a/Platform/Intel/MinPlatformPkg/Test/Library/TestPointCheckLib/DxeCheckAcpiMadt.c
+++
b/Platform/Intel/MinPlatformPkg/Test/Library/TestPointCheckLib/DxeCheckAcpiMadt.c
@@ -1,6 +1,7 @@
/** @file
Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
+Copyright (C) 2024 Advanced Micro Devices, Inc. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
@@ -235,8 +236,9 @@ DumpAcpiMadt (
DEBUG ((DEBUG_INFO, "\n"));
break;
}
- ApicStructHeader = (APIC_STRUCT_HEADER *)((UINT8 *)ApicStructHeader +
ApicStructHeader->Length);
+ // Update MadtLen first to avoid the dead loop and system hang
MadtLen -= ApicStructHeader->Length;
+ ApicStructHeader = (APIC_STRUCT_HEADER *)((UINT8 *)ApicStructHeader +
ApicStructHeader->Length);
}
}
@@ -324,8 +326,9 @@ CheckAcpiMadt (
default:
break;
}
- ApicStructHeader = (APIC_STRUCT_HEADER *)((UINT8 *)ApicStructHeader +
ApicStructHeader->Length);
+ // Update MadtLen first to avoid the dead loop and system hang
MadtLen -= ApicStructHeader->Length;
+ ApicStructHeader = (APIC_STRUCT_HEADER *)((UINT8 *)ApicStructHeader +
ApicStructHeader->Length);
}
return EFI_SUCCESS;
}
\ No newline at end of file
--
2.34.1
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