Re: perf: use-after-free in perf_event_for_each

[Peter Zijlstra]

On Tue, Jan 24, 2017 at 02:29:19PM +0100, Dmitry Vyukov wrote:
> 
> Try to run more parallel processes at the same time.
> This program will run 32 processes in a tight loop:
> https://gist.githubusercontent.com/dvyukov/b36aa4398bb016923278fccdd1cc5b45/raw/9607078fd5ac2daf769c13d82561a83e17b06032/gistfile1.txt
> It triggered the UAF in several minutes for me. I have 4 CPUs in the
> VM. If you have more, set number of processes to 8*CPU.

No VM here, I'll up to 320 processes.