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11b4463e09
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=704 For root directory, the FID (File Identifier Descriptor) pointer is accessible through PRIVATE_UDF_FILE_DATA.Root, whereas non-root directory and regular files, their FIDs are accessible through PRIVATE_UDF_FILE_DATA.File. In UdfSetPosition(), the FID was retrieved through PRIVATE_UDF_FILE_DATA.File, hence when calling it with a root directory, PRIVATE_UDF_FILE_DATA.File.FileIdentifierDescriptor would be NULL and then dereferenced. This patch fixes the NULL pointer dereference by calling _FILE() to transparently return the correct UDF_FILE_INFO * which points to a valid FID descriptor of a specific file. Cc: Star Zeng <star.zeng@intel.com> Cc: Eric Dong <eric.dong@intel.com> Cc: Ruiyu Ni <ruiyu.ni@intel.com> Cc: Laszlo Ersek <lersek@redhat.com> Cc: Steven Shi <steven.shi@intel.com> Contributed-under: TianoCore Contribution Agreement 1.1 Reported-by: Steven Shi <steven.shi@intel.com> Signed-off-by: Paulo Alcantara <pcacjr@zytor.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com> Reviewed-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.