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Comment by mike_hearn

2 months ago

Oracle Labs has tech that does that:

https://youtu.be/T05FI93MBI8?si=EieFgujaGiW2gbO8&t=958

The trick is to do a cascading disassembly of all untrusted code you'll execute to prove it can't change the MPK register.

1 comment

mike_hearn

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twoodfin  2 months ago

Wow. Neat trick and exactly the kind of thing I was looking for.

Thanks!

EDIT: Looks like this is the relevant paper from the Graal team: https://www.graalvm.org/resources/articles/binsweep.pdf

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