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For anyone who wants an easily digestible read on io_uring exploits I love my former colleague's post: https://chompie.rip/Blog+Posts/Put+an+io_uring+on+it+-+Explo...

This deserves its own thread HN. I don't have minimal knowledge on Kernel yet I understood many things about io_uring

https://news.ycombinator.com/item?id=36353845 I'm surprised it hasn't been submitted before.

It was submitted under graplsecurity.com, chompie has since mirrored the research as the company no longer exists.

Is it known what happened to them?

Offers were made to join Datadog, where 5 of 7 employees joined (myself included).

That was an outstanding writeup, thanks for sharing it.