arXiv AI By Guanlong Wu, Dahui Li, Ke Jiang, Jianyu Niu, Cong Wang, Yinqian Zhang

Safe to Resume? Breaking Execution Continuity of Agent Execution via Rollback

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arXiv AI
Sep 7

CONTINUITY: Security-Context Contracts for Composable LLM Agent Controls

The paper introduces CONTINUITY, a framework that ensures secure composition of large language model (LLM) agent controls by using assume‑guarantee contracts and authenticated security contexts. It models each component with signed root grants, provenance commitments, and other mechanisms to carry security context across transitions, formalizing end‑to‑end consequence integrity. A reference verifier and fault‑injection suite demonstrate that the full configuration prevents harmful effects while completing all benign tasks and correctly escalating ambiguous cases.

By Chris Zheng, Geng Yang