On: Theseus: A modern experimental OS written from scratch in Rust

[pjmlp]

In what concerns ARM and SPARC platforms, memory tagging is happening and being adopted by Apple/Google platforms, in what concerns Intel, it was yet again another from their screwups.

[coldtea → pjmlp]

Interesting. Do Apple M1/Ax have memory tagging already?

[pjmlp → coldtea]

Not 100% there, but pointer autentication is already a step into that direction.

https://developer.apple.com/documentation/security/preparing...

Meanwhile Google is doing the homework for Android.

"[Arm DevSummit - Ecosystem Talk] Improving Your Android App to Prevent Security Vulnerabilities"

https://www.youtube.com/watch?v=zkoOD4hmiGE

And regardless of one thinks of Oracle, Solaris SPARC has had it for ages.

https://docs.oracle.com/cd/E37838_01/html/E61059/gqajs.html