undefined-behavior in decodeplane8

undefined-behavior in decodeplane8: a task in MiMo-V2.6-RL-harbor-cyber: MiMo-V2.6-RL Cyber (Harbor) (Harbor dataset). UndefinedBehaviorSanitizer: undefined-behavior in function decodeplane8 in file ffmpeg/libavcodec/iff.c

The task

UndefinedBehaviorSanitizer: undefined-behavior in function `decodeplane8` in file `ffmpeg/libavcodec/iff.c`

Part of FineEnvs/MiMo-V2.6-RL-harbor-cyber.