Reviewed-by: Yuwei Chen <yuwei.c...@intel.com>
> -----Original Message-----
> From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of Feng,
> YunhuaX
> Sent: Saturday, May 9, 2020 3:01 PM
> To: devel@edk2.groups.io
> Cc: Ni, Ray <ray...@intel.com>; Gao, Liming <liming....@intel.com>; Feng,
> Bob C <bob.c.f...@intel.com>
> Subject: [edk2-devel] [PATCH] BaseTools/Fmmt: Fix found the next FFS issue
>
> if the ffs size is invalid, break the iteration and return NOT_FOUND.
>
> Cc: Ray Ni< ray...@intel.com>
> Cc: Bob Feng <bob.c.f...@intel.com>
> Cc: Liming Gao <liming....@intel.com>
>
> Change-Id: I9e320d6176af350ff208901209f3f6c89e4e1924
> Signed-off-by: Yunhua Feng <yunhuax.f...@intel.com>
> ---
> BaseTools/Source/C/FMMT/FmmtLib.c | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/BaseTools/Source/C/FMMT/FmmtLib.c
> b/BaseTools/Source/C/FMMT/FmmtLib.c
> index 9ec511ef06..6858cfe778 100644
> --- a/BaseTools/Source/C/FMMT/FmmtLib.c
> +++ b/BaseTools/Source/C/FMMT/FmmtLib.c
> @@ -1769,10 +1769,17 @@ FvBufFindNextFile (
> (*Key + sizeof (*fhdr)) < fvSize;
> *Key = (UINTN)ALIGN_POINTER (*Key, 8)
> ) {
> fhdr = (EFI_FFS_FILE_HEADER*) ((UINT8*)hdr + *Key);
> fsize = GetFfsFileLength (fhdr);
> + //
> + //if the ffs size is invalid, break the loop
> + //the size defined in EFI_FFS_FILE_HEADER is 3 bytes.
> + //
> + if (fsize == (UINTN)((FvbAttributes & EFI_FVB2_ERASE_POLARITY) ?
> 0xFFFFFF : 0x0)) {
> + break;
> + }
> if (!EFI_TEST_FFS_ATTRIBUTES_BIT(
> FvbAttributes,
> fhdr->State,
> EFI_FILE_HEADER_VALID
> ) ||
> --
> 2.12.2.windows.2
>
>
>
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