Preprint
Aug 2026
Groundhog Bit-Flip Attack: Seeding Infinite Generation Loops in Mixture-of-Experts LLMs through Bit Flips
By identifying and flipping routing-layer bits associated with related expert activations, GBFA substantially extends the decoding token usage across three different LLM modes: conversational, reasoning, and agentic tasks, while largely preserving semantic fidelity.
Hua-Kang Lin, Tian-Cheng Zheng, Ming-Xuan Sun et al.
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