undefined-behavior in hrd parameters

undefined-behavior in hrd parameters: a task in MiMo-V2.6-RL-oss: Agentic RL Environments (MiMo RL release). UndefinedBehaviorSanitizer: undefined-behavior in function hrd parameters in file ffmpeg/libavcodec/evc ps.c

The task

UndefinedBehaviorSanitizer: undefined-behavior in function hrd_parameters in file ffmpeg/libavcodec/evc_ps.c

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