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=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT 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 323B9C282D7 for ; Sat, 2 Feb 2019 10:34:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 076392146E for ; Sat, 2 Feb 2019 10:34:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727627AbfBBKek (ORCPT ); Sat, 2 Feb 2019 05:34:40 -0500 Received: from mx1.redhat.com ([209.132.183.28]:51360 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726888AbfBBKek (ORCPT ); Sat, 2 Feb 2019 05:34:40 -0500 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 9EF43C7C39; Sat, 2 Feb 2019 10:34:39 +0000 (UTC) Received: from krava (ovpn-204-77.brq.redhat.com [10.40.204.77]) by smtp.corp.redhat.com (Postfix) with SMTP id 0FE2A5D9CC; Sat, 2 Feb 2019 10:34:36 +0000 (UTC) Date: Sat, 2 Feb 2019 11:34:35 +0100 From: Jiri Olsa To: Ravi Bangoria 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" Subject: Re: System crash with perf_fuzzer (kernel: 5.0.0-rc3) Message-ID: <20190202103435.GA7240@krava> 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> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Sat, 02 Feb 2019 10:34:39 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Feb 02, 2019 at 08:54:35AM +0530, Ravi Bangoria wrote: > > > 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. yep looks good, mine's running for 2 days now I'll put together some changelog and send it proper patch jirka