dynamic-stack-buffer-overflow in clear opt map info

dynamic-stack-buffer-overflow in clear opt map info: a task in MiMo-V2.6-RL-oss: Agentic RL Environments (MiMo RL release). AddressSanitizer: dynamic-stack-buffer-overflow in function clear opt map info in file fluent-bit/lib/onigmo/regcomp.c