Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S933275AbcKORjC (ORCPT <rfc822;w@1wt.eu>);
        Tue, 15 Nov 2016 12:39:02 -0500
Received: from mail-it0-f49.google.com ([209.85.214.49]:36133 "EHLO
        mail-it0-f49.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
        with ESMTP id S1754118AbcKORi6 (ORCPT
        <rfc822;linux-kernel@vger.kernel.org>);
        Tue, 15 Nov 2016 12:38:58 -0500
From: Vince Weaver <vincent.weaver@maine.edu>
X-Google-Original-From: Vince Weaver <vince@maine.edu>
Date: Tue, 15 Nov 2016 12:38:55 -0500 (EST)
X-X-Sender: vince@macbook-air
To: "Liang, Kan" <kan.liang@intel.com>
cc: Peter Zijlstra <peterz@infradead.org>,
        Vince Weaver <vincent.weaver@maine.edu>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        Ingo Molnar <mingo@redhat.com>,
        Arnaldo Carvalho de Melo <acme@kernel.org>,
        "davej@codemonkey.org.uk" <davej@codemonkey.org.uk>,
        "dvyukov@google.com" <dvyukov@google.com>,
        Stephane Eranian <eranian@gmail.com>
Subject: RE: perf: fuzzer KASAN slab-out-of-bounds in
 snb_uncore_imc_event_del
In-Reply-To: <37D7C6CF3E00A74B8858931C1DB2F07750C9FF81@SHSMSX103.ccr.corp.intel.com>
Message-ID: <alpine.DEB.2.20.1611151237210.31288@macbook-air>
References: <alpine.DEB.2.20.1611141639070.25406@macbook-air> <alpine.DEB.2.20.1611150051050.28441@macbook-air> <20161115140413.GK3142@twins.programming.kicks-ass.net> <37D7C6CF3E00A74B8858931C1DB2F07750C9FF81@SHSMSX103.ccr.corp.intel.com>
User-Agent: Alpine 2.20 (DEB 67 2015-01-07)
MIME-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org
Content-Length: 502
Lines: 16

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