Messages in this thread | | | From | "Liang, Kan" <> | Subject | RE: perf: fuzzer KASAN slab-out-of-bounds in snb_uncore_imc_event_del | Date | Tue, 15 Nov 2016 18:18:02 +0000 |
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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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