Branch: refs/heads/master
Home: https://github.com/tianocore/edk2
Commit: e93ee87643a30df3bffede2f4cdadfc7be88f0bd
https://github.com/tianocore/edk2/commit/e93ee87643a30df3bffede2f4cdadfc7be88f0bd
Author: Evgenii Shatokhin <[email protected]>
Date: 2025-11-22 (Sat, 22 Nov 2025)
Changed paths:
M BaseTools/Source/Python/FMMT/core/FvHandler.py
Log Message:
-----------
BaseTools: FMMT: Fix incorrect size calculation in ModifyTest()
There is another issue in FvHander.py similar to the one fixed by
a60334ad59eb ("BaseTools: Fix FMMT FvHandler Padding operation issue").
For a guided section (ParTree.Data.Type == 0x02), the length of
ParTree.Data.OriData is used to obtain the original size of the data even
after ParTree.Data.OriData has changed, which is incorrect.
This caused the following issue I observed. I built OVMF image for Aarch64
and then tried to add a couple FFS modules to it with 'FMMT -a [...]'. The
resulting image turned out to be invalid: the total size of the image was
less than the size of the firmware volume within it.
UEFITool failed to load such firmware image and complained:
"parseRawArea: one of objects inside overlaps the end of data".
This patch fixes the issue.
Signed-off-by: Evgenii Shatokhin <[email protected]>
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