From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S938259AbcIHIvN (ORCPT ); Thu, 8 Sep 2016 04:51:13 -0400 Received: from mga05.intel.com ([192.55.52.43]:43489 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932537AbcIHIvM (ORCPT ); Thu, 8 Sep 2016 04:51:12 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.30,298,1470726000"; d="scan'208";a="1026774382" From: Alexander Shishkin To: Vince Weaver Cc: Ingo Molnar , Peter Zijlstra , Ingo Molnar , linux-kernel@vger.kernel.org, eranian@google.com, Arnaldo Carvalho de Melo , vincent.weaver@maine.edu Subject: Re: [PATCH v2 0/5] perf, bts: Fallout from the fuzzer for perf/urgent In-Reply-To: References: <20160906132353.19887-1-alexander.shishkin@linux.intel.com> <20160906171915.GA8963@gmail.com> <87mvjjka7u.fsf@ashishki-desk.ger.corp.intel.com> <87k2enk1al.fsf@ashishki-desk.ger.corp.intel.com> User-Agent: Notmuch/0.22.1 (http://notmuchmail.org) Emacs/24.5.1 (x86_64-pc-linux-gnu) Date: Thu, 08 Sep 2016 11:51:08 +0300 Message-ID: <87eg4ukc5f.fsf@ashishki-desk.ger.corp.intel.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Vince Weaver writes: > On the skylake machine with the original 5 patches I got this after > continuing to fuzz. Sorry about the lack of frame pointer, next > compile will have it enabled. > > If it matters, prior to this I hit the unrelated > [25510.278199] WARNING: CPU: 1 PID: 25405 at kernel/events/core.c:3554 perf_event_read+0x18f/0x1a0 > > > [28682.174684] WARNING: CPU: 7 PID: 31992 at kernel/events/core.c:4961 perf_mmap_close+0x2e1/0x2f0 It just keeps on giving, doesn't it. I've got the same thing here during the night, looking at it again. Did you capture the seed by any chance? Thanks, -- Alex