Gemini Pro leaks its raw chain of thought, gets stuck in an infinite loop, narrates its own existential crisis, then prints (End) thousands of times

I asked Gemini a simple question about gemma3 12b model and RAG. Instead of just giving me an answer, it dumped its reasoning/chain-of-thought into the output, including what looks like some system prompt instructions and then an infinite loop it couldn't escape. It looked like the model was trying