From @NedWilliamson:
CVE-2022-26757 is my first report using a new technique to find race conditions deterministically. The featured protobuf testcase repros 100% of the time on my internal SockFuzzer branch. I will discuss and open source this technique at Black Hat 2022!
https://bugs.chromium.org/p/project-zero/issues/detail?id=2277