SEGV in FLAC crc16 update words32

SEGV in FLAC crc16 update words32: a task in MiMo-V2.6-RL-oss: Agentic RL Environments (MiMo RL release). MemorySanitizer: SEGV in function FLACcrc16 update words32 in file flac/src/libFLAC/crc.c

The task

MemorySanitizer: SEGV in function FLACcrc16_update_words32 in file flac/src/libFLAC/crc.c

Part of XiaomiMiMo/MiMo-V2.6-RL-oss.