4/4 The fix upstream? Two characters, basically:uint32_t → size_t Weeks of debugging for one tiny type-width bug. Great reminder that in RL infra, the hardest part is often finding the right boundary around the failure. 👉Blog with the full investigation + the upstream vLLM PR: ai21.com/blog/vllm-cuda-inte…
Integer Overflow Bug Fix in vLLM: uint32_t to size_t
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