MdePkg/BaseLib: Fix out-of-bounds reads in SafeString #3604
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There was a OOB access in StrHexTo functions, when passed strings like "XDEADBEEF".
OpenCore folks established an ASAN-equipped project to fuzz Ext4Dxe, which was able to catch these (mostly harmless) issues.
Cc: Vitaly Cheptsov vit9696@protonmail.com
Cc: Marvin H?user mhaeuser@posteo.de
Cc: Michael D Kinney michael.d.kinney@intel.com
Cc: Liming Gao gaoliming@byosoft.com.cn
Cc: Zhiguang Liu zhiguang.liu@intel.com
Signed-off-by: Pedro Falcato pedro.falcato@gmail.com
Acked-by: Michael D Kinney michael.d.kinney@intel.com
Reviewed-by: Jiewen Yao Jiewen.yao@Intel.com
Reviewed-by: Liming Gao gaoliming@byosoft.com.cn