use-of-uninitialized-value in trySubset(hb face t ,

use-of-uninitialized-value in trySubset(hb face t ,: a task in MiMo-V2.6-RL-oss: Agentic RL Environments (MiMo RL release). MemorySanitizer: use-of-uninitialized-value in function trySubset(hb face t, unsigned int const, int, unsigned int) in file harfbuzz/test/fuzzing/hb-subset-fuzzer.cc