Claude agent spends an hour memory-debugging and finds a years-old mac malloc crash
charliermarsh · x · 2026-09-06
Developer Grant Slatton reports that a piece of code would randomly crash whenever he tried to optimize it — a mystery he never had the time or skills to chase for years. He finally let a Claude agent grind through over an hour of low-level memory debugging and pinpointed the culprit: a macOS malloc bug, since fixed in macOS Tahoe.
- The crash was intermittent, making manual investigation prohibitively costly
- A notable case of an AI agent sustainably handling tedious, deep systems-level debugging work
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