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=-11.6 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable 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 C8023C433E1 for ; Thu, 20 Aug 2020 05:04:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A383420758 for ; Thu, 20 Aug 2020 05:04:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726750AbgHTFEP (ORCPT ); Thu, 20 Aug 2020 01:04:15 -0400 Received: from mga09.intel.com ([134.134.136.24]:45660 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725780AbgHTFEO (ORCPT ); Thu, 20 Aug 2020 01:04:14 -0400 IronPort-SDR: LAI45mVG2xLY0ONW7CGjQsLhPLCGtL3dptEEGuQRbXqfRYMIXjsQuWJw9aLMCRtpIqNI+w5zZe UAFa2pXdSGIQ== X-IronPort-AV: E=McAfee;i="6000,8403,9718"; a="156307267" X-IronPort-AV: E=Sophos;i="5.76,332,1592895600"; d="scan'208";a="156307267" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Aug 2020 22:04:14 -0700 IronPort-SDR: 5ew4P0zvnHwOu7lJzv+xOjVYlGdfsv79mm0uX03gaziLHUvawKN3Sx8MLKVZCyYgrqcDwdHdi1 5Fv9ZawvzNRg== X-IronPort-AV: E=Sophos;i="5.76,332,1592895600"; d="scan'208";a="441846299" Received: from shao2-debian.sh.intel.com (HELO [10.239.13.3]) ([10.239.13.3]) by orsmga004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Aug 2020 22:04:11 -0700 Subject: Re: [clk] a2499eff4b: BUG:kernel_NULL_pointer_dereference,address To: Stephen Boyd , Marek Szyprowski Cc: linux-clk@vger.kernel.org, linux-pm@vger.kernel.org, linux-samsung-soc@vger.kernel.org, Sylwester Nawrocki , Chanwoo Choi , Krzysztof Kozlowski , Bartlomiej Zolnierkiewicz , Lukasz Luba , 0day robot , LKML , lkp@lists.01.org References: <20200811084943.GC7488@shao2-debian> <159780681339.334488.10402512224012716827@swboyd.mtv.corp.google.com> From: Rong Chen Message-ID: Date: Thu, 20 Aug 2020 13:03:27 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: <159780681339.334488.10402512224012716827@swboyd.mtv.corp.google.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 8/19/20 11:13 AM, Stephen Boyd wrote: > Quoting kernel test robot (2020-08-11 01:49:44) >> Greeting, >> >> FYI, we noticed the following commit (built with gcc-9): >> >> commit: a2499eff4b30a85d56e4466e6ca4746c72a347c6 ("[PATCH v2] clk: samsung: Keep top BPLL mux on Exynos542x enabled") >> url: https://github.com/0day-ci/linux/commits/Marek-Szyprowski/clk-samsung-Keep-top-BPLL-mux-on-Exynos542x-enabled/20200807-213239 >> base: https://git.kernel.org/cgit/linux/kernel/git/clk/linux.git clk-next >> >> in testcase: trinity >> with following parameters: >> >> runtime: 300s >> >> test-description: Trinity is a linux system call fuzz tester. >> test-url: http://codemonkey.org.uk/projects/trinity/ >> >> >> on test machine: qemu-system-i386 -enable-kvm -cpu SandyBridge -smp 2 -m 16G > Cool robot. But this doesn't look related to the patch at all? Hi Stephen, Sorry for the inconvenience, you are right, we run more times on the parent commit and can reproduce the error too. Best Regards, Rong Chen From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: multipart/mixed; boundary="===============1646794451237025995==" MIME-Version: 1.0 From: Rong Chen To: lkp@lists.01.org Subject: Re: [clk] a2499eff4b: BUG:kernel_NULL_pointer_dereference, address Date: Thu, 20 Aug 2020 13:03:27 +0800 Message-ID: In-Reply-To: <159780681339.334488.10402512224012716827@swboyd.mtv.corp.google.com> List-Id: --===============1646794451237025995== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable On 8/19/20 11:13 AM, Stephen Boyd wrote: > Quoting kernel test robot (2020-08-11 01:49:44) >> Greeting, >> >> FYI, we noticed the following commit (built with gcc-9): >> >> commit: a2499eff4b30a85d56e4466e6ca4746c72a347c6 ("[PATCH v2] clk: samsu= ng: Keep top BPLL mux on Exynos542x enabled") >> url: https://github.com/0day-ci/linux/commits/Marek-Szyprowski/clk-samsu= ng-Keep-top-BPLL-mux-on-Exynos542x-enabled/20200807-213239 >> base: https://git.kernel.org/cgit/linux/kernel/git/clk/linux.git clk-next >> >> in testcase: trinity >> with following parameters: >> >> runtime: 300s >> >> test-description: Trinity is a linux system call fuzz tester. >> test-url: http://codemonkey.org.uk/projects/trinity/ >> >> >> on test machine: qemu-system-i386 -enable-kvm -cpu SandyBridge -smp 2 -m= 16G > Cool robot. But this doesn't look related to the patch at all? Hi Stephen, Sorry for the inconvenience, you are right, we run more times on the parent commit and can reproduce the error too. Best Regards, Rong Chen --===============1646794451237025995==--