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REF:https://bugzilla.tianocore.org/show_bug.cgi?id=1279 For function ResolveSymlink(), the below codes: if (CompareMem ((VOID *)&PreviousFile, (VOID *)Parent, sizeof (UDF_FILE_INFO)) != 0) { CleanupFileInformation (&PreviousFile); } CopyMem ((VOID *)&PreviousFile, (VOID *)File, sizeof (UDF_FILE_INFO)); If the contents in 'PreviousFile' and 'File' are the same, call to "CleanupFileInformation (&PreviousFile);" will free the buffers in 'File' as well. This will lead to potential memory double free/use after free issues. This commit will add additional check to address the above issue. 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> Reviewed-by: Star Zeng <star.zeng@intel.com> Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
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.