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=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS 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 2D52BC282D8 for ; Sat, 2 Feb 2019 03:23:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 003752086C for ; Sat, 2 Feb 2019 03:23:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727113AbfBBDXC (ORCPT ); Fri, 1 Feb 2019 22:23:02 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:52278 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726615AbfBBDXB (ORCPT ); Fri, 1 Feb 2019 22:23:01 -0500 Received: from pps.filterd (m0098404.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x123IWms079931 for ; Fri, 1 Feb 2019 22:23:00 -0500 Received: from e06smtp02.uk.ibm.com (e06smtp02.uk.ibm.com [195.75.94.98]) by mx0a-001b2d01.pphosted.com with ESMTP id 2qcwqu51hh-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Fri, 01 Feb 2019 22:23:00 -0500 Received: from localhost by e06smtp02.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Sat, 2 Feb 2019 03:22:58 -0000 Received: from b06cxnps4074.portsmouth.uk.ibm.com (9.149.109.196) by e06smtp02.uk.ibm.com (192.168.101.132) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Sat, 2 Feb 2019 03:22:55 -0000 Received: from d06av24.portsmouth.uk.ibm.com (d06av24.portsmouth.uk.ibm.com [9.149.105.60]) by b06cxnps4074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x123MsVh51773674 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Sat, 2 Feb 2019 03:22:54 GMT Received: from d06av24.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 3A35542049; Sat, 2 Feb 2019 03:22:54 +0000 (GMT) Received: from d06av24.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id D441F4203F; Sat, 2 Feb 2019 03:22:51 +0000 (GMT) Received: from [9.199.62.139] (unknown [9.199.62.139]) by d06av24.portsmouth.uk.ibm.com (Postfix) with ESMTP; Sat, 2 Feb 2019 03:22:51 +0000 (GMT) Subject: Re: System crash with perf_fuzzer (kernel: 5.0.0-rc3) To: Jiri Olsa Cc: lkml , Peter Zijlstra , linux-perf-users@vger.kernel.org, Arnaldo Carvalho de Melo , Andi Kleen , eranian@google.com, vincent.weaver@maine.edu, "Naveen N. Rao" , Ravi Bangoria References: <7c7ec3d9-9af6-8a1d-515d-64dcf8e89b78@linux.ibm.com> <20190130183648.GA24233@krava> <20190131082711.GC24233@krava> <20190201074353.GA8778@krava> <4e816b25-1763-ec23-0642-19e6258e6ac5@linux.ibm.com> From: Ravi Bangoria Date: Sat, 2 Feb 2019 08:54:35 +0530 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0 MIME-Version: 1.0 In-Reply-To: <4e816b25-1763-ec23-0642-19e6258e6ac5@linux.ibm.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 x-cbid: 19020203-0008-0000-0000-000002BA1678 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19020203-0009-0000-0000-000022261FDF Message-Id: X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-02-02_02:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=719 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1902020023 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2/1/19 1:24 PM, Ravi Bangoria wrote: > I ran fuzzer for couple of hours but I didn't see any crash with > your previous patch. > > I'll try this newer one as well. I ran fuzzer for ~8 hrs and no lockup so far. Thanks.