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

From Vince Weaver <vincent.weaver@maine.edu>
Newsgroups linux.kernel
Subject RE: perf: fuzzer KASAN slab-out-of-bounds in snb_uncore_imc_event_del
Date 2016-11-15 18:40 +0100
Message-ID <sDPSa-7Wd-7@gated-at.bofh.it> (permalink)
References <sDxiy-43h-11@gated-at.bofh.it> <sDEWJ-Oi-3@gated-at.bofh.it> <sDMAX-5VL-55@gated-at.bofh.it> <sDPp7-7LU-7@gated-at.bofh.it>
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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.

Vince

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perf: fuzzer KASAN slab-out-of-bounds in snb_uncore_imc_event_del Vince Weaver <vincent.weaver@maine.edu> - 2016-11-14 22:50 +0100
  Re: perf: fuzzer KASAN slab-out-of-bounds in  snb_uncore_imc_event_del Vince Weaver <vincent.weaver@maine.edu> - 2016-11-15 07:00 +0100
    Re: perf: fuzzer KASAN slab-out-of-bounds in snb_uncore_imc_event_del Dmitry Vyukov <dvyukov@google.com> - 2016-11-15 07:20 +0100
      Re: perf: fuzzer KASAN slab-out-of-bounds in snb_uncore_imc_event_del Dmitry Vyukov <dvyukov@google.com> - 2016-11-15 15:00 +0100
      Re: perf: fuzzer KASAN slab-out-of-bounds in  snb_uncore_imc_event_del Vince Weaver <vincent.weaver@maine.edu> - 2016-11-15 15:00 +0100
    Re: perf: fuzzer KASAN slab-out-of-bounds in snb_uncore_imc_event_del Peter Zijlstra <peterz@infradead.org> - 2016-11-15 15:10 +0100
      RE: perf: fuzzer KASAN slab-out-of-bounds in  snb_uncore_imc_event_del "Liang, Kan" <kan.liang@intel.com> - 2016-11-15 18:10 +0100
        RE: perf: fuzzer KASAN slab-out-of-bounds in  snb_uncore_imc_event_del Vince Weaver <vincent.weaver@maine.edu> - 2016-11-15 18:40 +0100
          RE: perf: fuzzer KASAN slab-out-of-bounds in  snb_uncore_imc_event_del "Liang, Kan" <kan.liang@intel.com> - 2016-11-15 19:20 +0100

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