Received: by 2002:ac0:8c9a:0:0:0:0:0 with SMTP id r26csp1531008ima; Sat, 2 Feb 2019 02:35:07 -0800 (PST) X-Google-Smtp-Source: ALg8bN5FAL8uc7ZZun0U2bB98bi8LQ8a7JHEaqsfOMh/+ZbBXrxSlFwDq8wAzNwmdOQUpzQGwMOW X-Received: by 2002:a17:902:a50a:: with SMTP id s10mr41278524plq.278.1549103707644; Sat, 02 Feb 2019 02:35:07 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1549103707; cv=none; d=google.com; s=arc-20160816; b=XlxCUceVglneCwcGguzzOE52j88r6+wScuPgVI8B2/4N0G0jl8OI4J0enY2Fkb94xV VC9iWajbxgQGiCZ6ia6Rxah+YFSQsy/9ybMRLr7wQDNZTJKbSXtWmexhcM1cRkr3+aHQ 5klHll6TaNnyhYSXGoKMkg+/4LHt+VjB/gZKCLkQT+Yia3eHFVOAkd9yzl4ZhwUdipkS f5SSZYdpbkuWWEXMG2FphC5nPXN9xdd4u0kJyaP+FDAfpubx4ijod9DCM2RGmrJye1iC pH/q5eq96XBVuC6FxZfwK+c4ygBu5RMak5Jl9eQnWfBT5+m04ZeTDe5WkGLExeX+MQA6 oUYg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date; bh=sHQghKPaLe9f+eYHd07H3Ejyc8xg9VCf7r5c0AW8g+U=; b=uWiaq4vQ+J7VPDDITToMgQmNwwmzql5QCJSe/TenJyaZ/DtymXWj7xJ7cZSgCXehZD NElyNCjmiYIBozvWeHfiD5ZH5AnMzZUu3wI9liWqqUUzNUUTgfXV3vEmZPC/JVkoD52V gqWAImZRjqUh/JgQUECrd3NOq7xdHPnh2IFd6I6AyGvilAG/UuYHXBgoTezxLVV1cl1T GpA4wgYWp3mkNobmi8Wvg1SOVe+jJVhshjS0T8xa/cTeocgjIj8BIovHHxcP4Vwu3lXl WOZ2TSNVNYxrGIqKWlkoT6IEwbPFvc7D8GFupGw7hzje5Rnbk62LNolxUq5eY/mQ2b/U eyew== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=redhat.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id y17si9267898pgh.353.2019.02.02.02.34.51; Sat, 02 Feb 2019 02:35:07 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=redhat.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727394AbfBBKek (ORCPT + 99 others); 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