SecurityPkg: Tcg2Dxe: Fix undersized TempBuf

TempBuf in SetupEventLog needs to include sizeof(UINT32) to hold NumberOfAlgorithms.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Thomas Palmer <thomas.palmer@hpe.com>
Reviewed-by: Yao Jiewen <jiewen.yao@intel.com>
Reviewed-by: Chao Zhang <chao.b.zhang@intel.com>
Reviewed-by: El-Haj-Mahmoud Samer <samer.el-haj-mahmoud@hpe.com>

diff --git a/SecurityPkg/Tcg/Tcg2Dxe/Tcg2Dxe.c b/SecurityPkg/Tcg/Tcg2Dxe/Tcg2Dxe.c
index b1c885e407bc17beb12b0cac6883e7eddbd8f917..07f76af90f6e4cb90a33045736a076ef0d8b6939 100644 (file)
--- a/SecurityPkg/Tcg/Tcg2Dxe/Tcg2Dxe.c
+++ b/SecurityPkg/Tcg/Tcg2Dxe/Tcg2Dxe.c
@@ -1482,7 +1482,7 @@ SetupEventLog (
   UINT32                          DigestListBinSize;\r
   UINT32                          EventSize;\r
   TCG_EfiSpecIDEventStruct        *TcgEfiSpecIdEventStruct;\r
-  UINT8                           TempBuf[sizeof(TCG_EfiSpecIDEventStruct) + (HASH_COUNT * sizeof(TCG_EfiSpecIdEventAlgorithmSize)) + sizeof(UINT8)];\r
+  UINT8                           TempBuf[sizeof(TCG_EfiSpecIDEventStruct) + sizeof(UINT32) + (HASH_COUNT * sizeof(TCG_EfiSpecIdEventAlgorithmSize)) + sizeof(UINT8)];\r
   TCG_PCR_EVENT_HDR               FirstPcrEvent;\r
   TCG_EfiSpecIdEventAlgorithmSize *DigestSize;\r
   TCG_EfiSpecIdEventAlgorithmSize *TempDigestSize;\r