heap-buffer-overflow in fr dns label uncompressed length

heap-buffer-overflow in fr dns label uncompressed length: a task in MiMo-V2.6-RL-oss: Agentic RL Environments (MiMo RL release). AddressSanitizer: heap-buffer-overflow in function fr dns label uncompressed length in file freeradius-server/src/lib/util/dns.c