[PATCH v1 0/2] Add LSM access controls for io_uring_setup

Dmytro Maluka dmy at semihalf.com
Thu Aug 10 09:08:34 UTC 2023


On 8/9/23 19:28, Dmytro Maluka wrote:
>   So one of the questions I'm wondering about is: if Android implemented
>   preventing execution of any io_uring code by non-trusted processes
>   (via seccomp or any other way), how much would it help to reduce the
>   risk of attacks, compared to its current SELinux based solution?

And why exactly I'm wondering about that: AFAICT, Android folks are
concerned about the high likelihood of vulnerabilities in io_uring code
just like we (ChromeOS folks) are, and that is the main reason why
Android takes care of restricting io_uring usage in the first place.



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