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=-6.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_PASS,URIBL_BLOCKED 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 EEC55C43381 for ; Mon, 4 Mar 2019 03:20:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BFE7320835 for ; Mon, 4 Mar 2019 03:20:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726120AbfCDDUL (ORCPT ); Sun, 3 Mar 2019 22:20:11 -0500 Received: from mga02.intel.com ([134.134.136.20]:7614 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725938AbfCDDUK (ORCPT ); Sun, 3 Mar 2019 22:20:10 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga007.jf.intel.com ([10.7.209.58]) by orsmga101.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 03 Mar 2019 19:20:08 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.58,438,1544515200"; d="scan'208";a="119347077" Received: from shao2-debian.sh.intel.com (HELO [10.239.13.107]) ([10.239.13.107]) by orsmga007.jf.intel.com with ESMTP; 03 Mar 2019 19:20:05 -0800 Subject: Re: [LKP] [uaccess] 780464aed0: WARNING:at_arch/x86/include/asm/uaccess.h:#strnlen_user/0x To: Linus Torvalds , kernel test robot Cc: Kees Cook , Jann Horn , Peter Zijlstra , lkp@01.org, Linux List Kernel Mailing , Steven Rostedt , Andy Lutomirski , Alexei Starovoitov , Nadav Amit , Masami Hiramatsu , Andy Lutomirski , Joel Fernandes , yhs@fb.com, Andrew Morton , Shuah Khan , Ingo Molnar , Changbin Du References: <155136980507.2968.15165201054223875356.stgit@devbox> <20190303173954.kliegojbuigqi5tn@inn2.lkp.intel.com> From: Rong Chen Message-ID: Date: Mon, 4 Mar 2019 11:20:19 +0800 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: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 3/4/19 3:53 AM, Linus Torvalds wrote: > On Sun, Mar 3, 2019 at 9:40 AM kernel test robot wrote: >> commit: 780464aed08ad00aa6d5f81ac8bef2e714dc8b06 ("[PATCH v5 2/6] uaccess: Use user_access_ok() in user_access_begin()") > Hmm. Not an upstream commit ID, so this is presumably a backport. > > Ok, let's see what it is using the web link: > >> url: https://github.com/0day-ci/linux/commits/Masami-Hiramatsu/tracing-probes-uaccess-Add-support-user-space-access/20190303-203749 > Yeah, that just gives a github 404 error. Sorry for the broken link,  It's ok now. Best Regards, Rong Chen > > I'm _assuming_ it's the WARN_ON_IN_IRQ() in the access_ok(). > > Which doesn't much make sense either (why wouldn't it happen in > mainline)? But without a useful web link to see what is actually being > tested, I guess it's not something I can even look at... > > Linus > _______________________________________________ > LKP mailing list > LKP@lists.01.org > https://lists.01.org/mailman/listinfo/lkp From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: multipart/mixed; boundary="===============0632406707215758023==" MIME-Version: 1.0 From: Rong Chen To: lkp@lists.01.org Subject: Re: [uaccess] 780464aed0: WARNING:at_arch/x86/include/asm/uaccess.h:#strnlen_user/0x Date: Mon, 04 Mar 2019 11:20:19 +0800 Message-ID: In-Reply-To: List-Id: --===============0632406707215758023== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable On 3/4/19 3:53 AM, Linus Torvalds wrote: > On Sun, Mar 3, 2019 at 9:40 AM kernel test robot wrote: >> commit: 780464aed08ad00aa6d5f81ac8bef2e714dc8b06 ("[PATCH v5 2/6] uacces= s: Use user_access_ok() in user_access_begin()") > Hmm. Not an upstream commit ID, so this is presumably a backport. > > Ok, let's see what it is using the web link: > >> url: https://github.com/0day-ci/linux/commits/Masami-Hiramatsu/tracing-p= robes-uaccess-Add-support-user-space-access/20190303-203749 > Yeah, that just gives a github 404 error. Sorry for the broken link,=C2=A0 It's ok now. Best Regards, Rong Chen > > I'm _assuming_ it's the WARN_ON_IN_IRQ() in the access_ok(). > > Which doesn't much make sense either (why wouldn't it happen in > mainline)? But without a useful web link to see what is actually being > tested, I guess it's not something I can even look at... > > Linus > _______________________________________________ > LKP mailing list > LKP(a)lists.01.org > https://lists.01.org/mailman/listinfo/lkp --===============0632406707215758023==--