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=-10.5 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 3F553C433E0 for ; Tue, 9 Feb 2021 11:31:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0F31D64E74 for ; Tue, 9 Feb 2021 11:31:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230073AbhBILao (ORCPT ); Tue, 9 Feb 2021 06:30:44 -0500 Received: from foss.arm.com ([217.140.110.172]:50036 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229743AbhBIL3o (ORCPT ); Tue, 9 Feb 2021 06:29:44 -0500 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 9C6CEED1; Tue, 9 Feb 2021 03:28:57 -0800 (PST) Received: from [10.37.8.18] (unknown [10.37.8.18]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 0B1B93F73B; Tue, 9 Feb 2021 03:28:55 -0800 (PST) Subject: Re: [PATCH v12 3/7] kasan: Add report for async mode To: kernel test robot , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kasan-dev@googlegroups.com Cc: kbuild-all@lists.01.org, Catalin Marinas , Linux Memory Management List , Andrey Ryabinin , Andrew Morton , Will Deacon , Dmitry Vyukov References: <20210208165617.9977-4-vincenzo.frascino@arm.com> <202102091512.8A2oHgsy-lkp@intel.com> From: Vincenzo Frascino Message-ID: <58f30539-69a8-d695-8a7f-75be2bdd31d6@arm.com> Date: Tue, 9 Feb 2021 11:32:59 +0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <202102091512.8A2oHgsy-lkp@intel.com> Content-Type: text/plain; charset=windows-1252 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2/9/21 7:39 AM, kernel test robot wrote: > Hi Vincenzo, > > I love your patch! Yet something to improve: > > [auto build test ERROR on next-20210125] > [cannot apply to arm64/for-next/core xlnx/master arm/for-next soc/for-next kvmarm/next linus/master hnaz-linux-mm/master v5.11-rc6 v5.11-rc5 v5.11-rc4 v5.11-rc6] The patches are based on linux-next/akpm and since they depend on some patches present on that tree, can be applied only on linux-next/akpm and linux-next/master. The dependency is reported in the cover letter. Thanks, Vincenzo > [If your patch is applied to the wrong git tree, kindly drop us a note. > And when submitting patch, we suggest to use '--base' as documented in > https://git-scm.com/docs/git-format-patch] > > url: https://github.com/0day-ci/linux/commits/Vincenzo-Frascino/arm64-ARMv8-5-A-MTE-Add-async-mode-support/20210209-080907 > base: 59fa6a163ffabc1bf25c5e0e33899e268a96d3cc > config: x86_64-randconfig-s021-20210209 (attached as .config) > compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 > reproduce: > # apt-get install sparse > # sparse version: v0.6.3-215-g0fb77bb6-dirty > # https://github.com/0day-ci/linux/commit/93bd347e4877e3616f7db64f488ebb469718dd68 > git remote add linux-review https://github.com/0day-ci/linux > git fetch --no-tags linux-review Vincenzo-Frascino/arm64-ARMv8-5-A-MTE-Add-async-mode-support/20210209-080907 > git checkout 93bd347e4877e3616f7db64f488ebb469718dd68 > # save the attached .config to linux build tree > make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=x86_64 > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot > > All errors (new ones prefixed by >>): > > ld: mm/kasan/report.o: in function `end_report': >>> mm/kasan/report.c:90: undefined reference to `kasan_flag_async' >>> ld: mm/kasan/report.c:90: undefined reference to `kasan_flag_async' > > > vim +90 mm/kasan/report.c > > 87 > 88 static void end_report(unsigned long *flags, unsigned long addr) > 89 { > > 90 if (!kasan_flag_async) > 91 trace_error_report_end(ERROR_DETECTOR_KASAN, addr); > 92 pr_err("==================================================================\n"); > 93 add_taint(TAINT_BAD_PAGE, LOCKDEP_NOW_UNRELIABLE); > 94 spin_unlock_irqrestore(&report_lock, *flags); > 95 if (panic_on_warn && !test_bit(KASAN_BIT_MULTI_SHOT, &kasan_flags)) { > 96 /* > 97 * This thread may hit another WARN() in the panic path. > 98 * Resetting this prevents additional WARN() from panicking the > 99 * system on this thread. Other threads are blocked by the > 100 * panic_mutex in panic(). > 101 */ > 102 panic_on_warn = 0; > 103 panic("panic_on_warn set ...\n"); > 104 } > 105 #ifdef CONFIG_KASAN_HW_TAGS > 106 if (kasan_flag_panic) > 107 panic("kasan.fault=panic set ...\n"); > 108 #endif > 109 kasan_enable_current(); > 110 } > 111 > > --- > 0-DAY CI Kernel Test Service, Intel Corporation > https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org > > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel > -- Regards, Vincenzo