From: Michael Kubacki <michael.kuba...@microsoft.com>

Bug Fix: Read the FV header length from the Firmware Volume Block
(FVB) information structure as opposed to EFI_FIRMWARE_VOLUME_HEADER
to account for a variable number of block map entries.

Cc: Ashraf Ali S <ashraf.al...@intel.com>
Cc: Isaac Oram <isaac.w.o...@intel.com>
Cc: Rangasai V Chaganty <rangasai.v.chaga...@intel.com>
Cc: Ray Ni <ray...@intel.com>
Signed-off-by: Michael Kubacki <michael.kuba...@microsoft.com>
---
 Silicon/Intel/IntelSiliconPkg/Feature/Flash/SpiFvbService/FvbInfo.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git 
a/Silicon/Intel/IntelSiliconPkg/Feature/Flash/SpiFvbService/FvbInfo.c 
b/Silicon/Intel/IntelSiliconPkg/Feature/Flash/SpiFvbService/FvbInfo.c
index 634a44218c7a..ab1cb2ef1622 100644
--- a/Silicon/Intel/IntelSiliconPkg/Feature/Flash/SpiFvbService/FvbInfo.c
+++ b/Silicon/Intel/IntelSiliconPkg/Feature/Flash/SpiFvbService/FvbInfo.c
@@ -115,7 +115,7 @@ GetFvbInfo (
     Status = mFvbMediaInfoGenerators[Index](&FvbMediaInfo);
     ASSERT_EFI_ERROR (Status);
     if (!EFI_ERROR (Status) && (FvbMediaInfo.BaseAddress == FvBaseAddress)) {
-      FvHeader = AllocateCopyPool (sizeof (EFI_FIRMWARE_VOLUME_HEADER), 
&FvbMediaInfo.FvbInfo);
+      FvHeader = AllocateCopyPool (FvbMediaInfo.FvbInfo.HeaderLength, 
&FvbMediaInfo.FvbInfo);
 
       //
       // Update the checksum value of FV header.
-- 
2.28.0.windows.1



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