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The BugBash Podcast · March 25 · 51 min

The Dollar Bet that Fuzzed Figma: Exploding Laptops and UI Reliability with Jonathan Chan

Can you stress-test a React UI completely hands-free? In this episode, Oskar Wickström and I are joined by Jonathan Chan to discuss the origins of Fuzzmap. From a janitor’s closet in Figma—where end-to-end tests once lived on a "spicy pillow" MacBook—Jonathan shares how he applied coverage-guided fuzzing (inspired by AFL) to the world of web front-ends. We dive into the gnarly hacks required to instrument React, the challenges of visualizing complex state machines, and the future of "full-stack" fuzzing in the age of LLMs and team agents.

0:00-51:12
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Can you stress-test a React UI completely hands-free? In this episode, Oskar Wickström and I are joined by Jonathan Chan to discuss the origins of Fuzzmap.

From a janitor’s closet in Figma—where end-to-end tests once lived on a "spicy pillow" MacBook—Jonathan shares how he applied coverage-guided fuzzing (inspired by AFL) to the world of web front-ends. We dive into the gnarly hacks required to instrument React, the challenges of visualizing complex state machines, and the future of "full-stack" fuzzing in the age of LLMs and team agents.

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