SEGV in frame get metalayers

SEGV in frame get metalayers: a task in MiMo-V2.6-RL-oss: Agentic RL Environments (MiMo RL release). AddressSanitizer: SEGV in function frame get metalayers in file c-blosc2/blosc/frame.c

The task

AddressSanitizer: SEGV in function frame_get_metalayers in file c-blosc2/blosc/frame.c

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