ShellPkg: acpiview: MADT: Prevent buffer overruns

[mirror_edk2.git] / ShellPkg / Library / UefiShellAcpiViewCommandLib / Parsers / Madt / MadtParser.c

diff --git a/ShellPkg/Library/UefiShellAcpiViewCommandLib/Parsers/Madt/MadtParser.c b/ShellPkg/Library/UefiShellAcpiViewCommandLib/Parsers/Madt/MadtParser.c
index d80ebd1a2bae7a4acffe687ca5ee7b4090f0e223..90bdafea1970db522e8ed96de7c6e986cdaca5ba 100644 (file)
--- a/ShellPkg/Library/UefiShellAcpiViewCommandLib/Parsers/Madt/MadtParser.c
+++ b/ShellPkg/Library/UefiShellAcpiViewCommandLib/Parsers/Madt/MadtParser.c
@@ -256,7 +256,7 @@ ParseAcpiMadt (
       0,\r
       NULL,\r
       InterruptContollerPtr,\r
-      2,  //  Length is 1 byte at offset 1\r
+      AcpiTableLength - Offset,\r
       PARSER_PARAMS (MadtInterruptControllerHeaderParser)\r
       );\r
 \r