Re: System crash with perf_fuzzer (kernel: 5.0.0-rc3)

[Vince Weaver]

On Fri, 1 Feb 2019, Jiri Olsa wrote:

> with attached patch I did not trigger the fuzzer crash
> for over a day now, could you guys try?

I've just started fuzzing with the patch applied.  Often it takes a few 
hours to trigger the bug.

Added question about this bug.  It appeared that the crash was triggered 
by the BTS driver over-writing kernel memory.  The data being written, was 
this user controllable?  Meaning, is this a security issue being fixed, or 
just a crashing issue?

Vince Weaver
vincent.weaver@xxxxxxxxx