RE: perf: fuzzer KASAN slab-out-of-bounds in snb_uncore_imc_event_del

[Liang, Kan]

> -----Original Message-----
> From: Vince Weaver [mailto:vincent.weaver@xxxxxxxxx]
> Sent: Tuesday, November 15, 2016 12:39 PM
> To: Liang, Kan <kan.liang@xxxxxxxxx>
> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>; Vince Weaver
> <vincent.weaver@xxxxxxxxx>; linux-kernel@xxxxxxxxxxxxxxx; Ingo Molnar
> <mingo@xxxxxxxxxx>; Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>;
> davej@xxxxxxxxxxxxxxxxx; dvyukov@xxxxxxxxxx; Stephane Eranian
> <eranian@xxxxxxxxx>
> Subject: RE: perf: fuzzer KASAN slab-out-of-bounds in
> snb_uncore_imc_event_del
> 
> On Tue, 15 Nov 2016, Liang, Kan wrote:
> 
> > For client IMC, there is no generic counters.
> > Current implementation defines its own fixed free running counters.
> > event_list and n_events are unused.
> > I think we can just remove them.
> >
> > Vince, could you please try the patch as below?
> >
> 
> With this patch I have not been able to trigger the imc/uncore issue.
> 
> Or at least I used to be able to trigger it within 5 minutes, now I go longer
> (maybe 10 minutes) before hitting an unrelated issue.
> 

Thanks a lot for the test.
I will submit the patch then.

Thanks,
Kan