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SubjectRE: perf: fuzzer KASAN slab-out-of-bounds in snb_uncore_imc_event_del
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> -----Original Message-----
> From: Vince Weaver [mailto:vincent.weaver@maine.edu]
> Sent: Tuesday, November 15, 2016 12:39 PM
> To: Liang, Kan <kan.liang@intel.com>
> Cc: Peter Zijlstra <peterz@infradead.org>; Vince Weaver
> <vincent.weaver@maine.edu>; linux-kernel@vger.kernel.org; Ingo Molnar
> <mingo@redhat.com>; Arnaldo Carvalho de Melo <acme@kernel.org>;
> davej@codemonkey.org.uk; dvyukov@google.com; Stephane Eranian
> <eranian@gmail.com>
> 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




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