Reviewed-by: Chasel Chiu <chasel.c...@intel.com>


> -----Original Message-----
> From: mikub...@linux.microsoft.com <mikub...@linux.microsoft.com>
> Sent: Wednesday, March 23, 2022 9:11 AM
> To: devel@edk2.groups.io
> Cc: Bret Barkelew <b...@corthon.com>; Chiu, Chasel
> <chasel.c...@intel.com>; Desimone, Nathaniel L
> <nathaniel.l.desim...@intel.com>; Gao, Liming
> <gaolim...@byosoft.com.cn>; Dong, Eric <eric.d...@intel.com>
> Subject: [edk2-platforms][PATCH v1 1/1]
> MinPlatformPkg/TestPointCheckLib: Fix mis-parsed HSTI structures
> 
> From: Michael Kubacki <michael.kuba...@microsoft.com>
> 
> REF:https://bugzilla.tianocore.org/show_bug.cgi?id=3612
> 
> Printing corruption can occur if the DumpHsti helper function encounters a
> structure from the IHV (i.e. one that contains the 'Required' field).
> 
> Co-authored-by: Bret Barkelew <b...@corthon.com>
> 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: Michael Kubacki <michael.kuba...@microsoft.com>
> ---
> 
> Platform/Intel/MinPlatformPkg/Test/Library/TestPointCheckLib/DxeCheckH
> sti.c | 12 +++++++++++-
>  1 file changed, 11 insertions(+), 1 deletion(-)
> 
> diff --git
> a/Platform/Intel/MinPlatformPkg/Test/Library/TestPointCheckLib/DxeChec
> kHsti.c
> b/Platform/Intel/MinPlatformPkg/Test/Library/TestPointCheckLib/DxeChec
> kHsti.c
> index 7756369ae17b..f2f3fa83a57c 100644
> ---
> a/Platform/Intel/MinPlatformPkg/Test/Library/TestPointCheckLib/DxeChec
> kHsti.c
> +++
> b/Platform/Intel/MinPlatformPkg/Test/Library/TestPointCheckLib/DxeCh
> +++ eckHsti.c
> @@ -40,6 +40,16 @@ DumpHsti (
>    DEBUG ((DEBUG_INFO, "  SecurityFeaturesSize        - 0x%08x\n", Hsti-
> >SecurityFeaturesSize));
> 
>    SecurityFeatures = (UINT8 *) (Hsti + 1);
> +
> +  if (Hsti->Role == PLATFORM_SECURITY_ROLE_PLATFORM_REFERENCE) {
> +    DEBUG ((DEBUG_INFO, "  SecurityFeaturesRequired    - "));
> +    for (Index = 0; Index < Hsti->SecurityFeaturesSize; Index++) {
> +      DEBUG ((DEBUG_INFO, "%02x ", SecurityFeatures[Index]));
> +    }
> +    DEBUG ((DEBUG_INFO, "\n"));
> +    SecurityFeatures = (UINT8 *) (SecurityFeatures +
> + Hsti->SecurityFeaturesSize);  }
> +
>    DEBUG ((DEBUG_INFO, "  SecurityFeaturesImplemented - "));
>    for (Index = 0; Index < Hsti->SecurityFeaturesSize; Index++) {
>      DEBUG ((DEBUG_INFO, "%02x ", SecurityFeatures[Index])); @@ -81,7
> +91,7 @@ TestPointCheckHsti (
>    EFI_STATUS  Status;
>    UINTN       Index;
>    BOOLEAN     Result;
> -
> +
>    Result = TRUE;
>    DEBUG ((DEBUG_INFO, "==== TestPointCheckHsti - Enter\n"));
>    for (Index = 0; Index < sizeof(mRole)/sizeof(mRole[0]); Index++) {
> --
> 2.28.0.windows.1



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