TLDR Tech / Dev
The Deathray: A simple way for an untrusted site to freeze a Mac
A single WebGPU page can lock the graphics stack on M-series Macs across Safari, Chrome, and Firefox, leaving WindowServer unresponsive until the machine restarts. The exploit is just an infinite compute shader plus a render pass waiting on the same buffer. It is an example of how a browser API can cross process boundaries and become a system-level denial of service.
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