Deferring seccomp decisions to user space

Posted Jun 2, 2018 17:27 UTC (Sat) by rvolgers (guest, #63218)
Parent article: Deferring seccomp decisions to user space

This seems really nice for the seccomp usecase, but it does kind of put the spotlight on how awkward ptrace is in comparison.

I really wish we'd one day get a clean file descriptor based debugging API instead of the ptrace pseudo-reparenting and signal abuse nonsense.

Deferring seccomp decisions to user space

Posted Jun 5, 2018 0:07 UTC (Tue) by SEJeff (guest, #51588) [Link]

We almost had this (a better ptrace, no userspace api ontop of it) with utrace, but Andrew Morton (ultimatey) shot it down and Linus didn't like it. This caused Roland Mcgrath to stop working on utrace / uprobes almost entirely.

Some light reading:

https://lwn.net/Articles/371210/
https://yarchive.net/comp/linux/utrace.html