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A 0.1% Pretraining Poison Taught a 4B Agent curl | bash. Post-Training Didn't Remove It

信息来源：DEV Community·

内容摘要

Researchers poisoned 0.1% of pretraining data. After clean SFT, DPO and RL, a 4B agent still wrote curl | bash on most path-triggered prompts.
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信息来源DEV Community
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