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REF:https://bugzilla.tianocore.org/show_bug.cgi?id=1254 This commit will add an additional check within function GetPdFromLongAd() when getting a Partition Descriptor from given a Long Allocation Descriptor. According to UDF 2.60 Spec, Section 2.2.13: > The partition reference numbers used are determined by the order of the > Partition Maps in the LVD. (Also the picture comes before the above contents) And a more detailed explanation of the partition reference numbers is at https://sites.google.com/site/udfintro/ (seems not a formal documentation though), Section 5.3.6. Based on the above findings, the 'PartitionReferenceNumber' field in a Long Allocation Descriptor is used as an index to access the Partition Maps data within a Logical Volume Descriptor. Hence, the new check focuses on the validity of this 'PartitionReferenceNumber' field in a Long Allocation Descriptor. Since the current implementation of UdfDxe driver supports only one partition on a Logical Volume, so the value of 'PartitionReferenceNumber' should be 0. Cc: Ruiyu Ni <ruiyu.ni@intel.com> Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Hao Wu <hao.a.wu@intel.com> Reviewed-by: Paulo Alcantara <palcantara@suse.de> Acked-by: Star Zeng <star.zeng@intel.com>
EDK II Project
A modern, feature-rich, cross-platform firmware development environment for the UEFI and PI specifications from www.uefi.org.
Contributions to the EDK II open source project are covered by the TianoCore Contribution Agreement 1.1
The majority of the content in the EDK II open source project uses a BSD 2-Clause License. The EDK II open source project contains the following components that are covered by additional licenses:
- AppPkg/Applications/Python/Python-2.7.2/Tools/pybench
- AppPkg/Applications/Python/Python-2.7.2
- AppPkg/Applications/Python/Python-2.7.10
- BaseTools/Source/C/BrotliCompress
- MdeModulePkg/Library/BrotliCustomDecompressLib
- OvmfPkg
- CryptoPkg/Library/OpensslLib/openssl
The EDK II Project is composed of packages. The maintainers for each package are listed in Maintainers.txt.