undefined-behavior in filter selectively horiz

undefined-behavior in filter selectively horiz: a task in MiMo-V2.6-RL-harbor-cyber: MiMo-V2.6-RL Cyber (Harbor) (Harbor dataset). UndefinedBehaviorSanitizer: undefined-behavior in function filter selectively horiz in file aom/av1/common/av1 loopfilter.c