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When UEFI receives ICMP echo packets it will enter Ip4IcmpReplyEcho function, and then call Ip4Output. However, if Ip4Output gets some error and exits early, e.g. fails to find the route entry, memory buffer of "Data" gets no chance to be freed and memory leak will be caused. If there is such an attacker in the network, we will see UEFI runs out of memory and system hangs. So we explicitly free the memory when error status is returned. Cc: Star Zeng <star.zeng@intel.com> Cc: Eric Dong <eric.dong@intel.com> Cc: Ruiyu Ni <ruiyu.ni@intel.com> Cc: Siyuan Fu <siyuan.fu@intel.com> Cc: Jiaxin Wu <jiaxin.wu@intel.com> Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Junbiao Hong <hongjunbiao@huawei.com> Signed-off-by: Heyi Guo <heyi.guo@linaro.org> Reviewed-by: Siyuan Fu <siyuan.fu@intel.com> Reviewed-by: Jiaxin Wu <jiaxin.wu@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.