From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 18984C43613 for ; Wed, 19 Jun 2019 21:15:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EA3712085A for ; Wed, 19 Jun 2019 21:15:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730565AbfFSVPh (ORCPT ); Wed, 19 Jun 2019 17:15:37 -0400 Received: from mga06.intel.com ([134.134.136.31]:47171 "EHLO mga06.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726230AbfFSVPh (ORCPT ); Wed, 19 Jun 2019 17:15:37 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga104.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 19 Jun 2019 14:15:36 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.63,394,1557212400"; d="scan'208";a="182863442" Received: from linux.intel.com ([10.54.29.200]) by fmsmga004.fm.intel.com with ESMTP; 19 Jun 2019 14:15:35 -0700 Received: from [10.254.89.31] (kliang2-mobl.ccr.corp.intel.com [10.254.89.31]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by linux.intel.com (Postfix) with ESMTPS id 2880658088A; Wed, 19 Jun 2019 14:15:34 -0700 (PDT) Subject: Re: WARNING in perf_reg_value To: Vince Weaver , syzbot Cc: acme@kernel.org, acme@redhat.com, alexander.shishkin@linux.intel.com, bp@alien8.de, eranian@google.com, hpa@zytor.com, jolsa@kernel.org, jolsa@redhat.com, linux-kernel@vger.kernel.org, mingo@kernel.org, mingo@redhat.com, peterz@infradead.org, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, torvalds@linux-foundation.org, x86@kernel.org References: <000000000000734545058bb27ebb@google.com> From: "Liang, Kan" Message-ID: <8ec677d7-f891-1c8b-33bd-16506974fafb@linux.intel.com> Date: Wed, 19 Jun 2019 17:15:32 -0400 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.7.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 6/19/2019 4:07 PM, Vince Weaver wrote: > On Wed, 19 Jun 2019, syzbot wrote: > >> syzbot found the following crash on: >> >> HEAD commit: 0011572c Merge branch 'for-5.2-fixes' of git://git.kernel... >> git tree: upstream >> console output: https://syzkaller.appspot.com/x/log.txt?x=12c38d66a00000 >> kernel config: https://syzkaller.appspot.com/x/.config?x=fa9f7e1b6a8bb586 >> dashboard link: https://syzkaller.appspot.com/bug?extid=10189b9b0f8c4664badd >> compiler: gcc (GCC) 9.0.0 20181231 (experimental) >> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1434b876a00000 >> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10e6c876a00000 > > the perf_fuzzer found this issue about a month ago, and patches were > posted that fixed the issue (I've been unable to reproduce when running > with a patched kernel). Here are the patches posted. https://lkml.org/lkml/2019/5/28/1022 Thanks, Kan > > Any reason they haven't been applied? > > Vince >