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 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id C8FDAFA373F for ; Tue, 25 Oct 2022 17:23:01 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 49D378E0002; Tue, 25 Oct 2022 13:23:01 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 44D868E0001; Tue, 25 Oct 2022 13:23:01 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 316618E0002; Tue, 25 Oct 2022 13:23:01 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0012.hostedemail.com [216.40.44.12]) by kanga.kvack.org (Postfix) with ESMTP id 248E18E0001 for ; Tue, 25 Oct 2022 13:23:01 -0400 (EDT) Received: from smtpin25.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay02.hostedemail.com (Postfix) with ESMTP id 03439120E17 for ; Tue, 25 Oct 2022 17:23:00 +0000 (UTC) X-FDA: 80060142162.25.FF33721 Received: from mail-yb1-f173.google.com (mail-yb1-f173.google.com [209.85.219.173]) by imf22.hostedemail.com (Postfix) with ESMTP id A19B8C000F for ; Tue, 25 Oct 2022 17:23:00 +0000 (UTC) Received: by mail-yb1-f173.google.com with SMTP id 185so4969000ybc.3 for ; Tue, 25 Oct 2022 10:23:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=NKTXcYN6Ga8OwOynRBy3VsgpCimivGzV8i42n9KI8Xs=; b=dnCJtTbVe6fGlfGFGFEzpXhI8pThgiiSAAo7AcJBQwDLg9hhJdKYXB9MJDE6iZyAGW P6qW+MXcbyKwSxXUy9taRrWk3088fgsh3WalfN3A588AH7Ppg5+QIe3oiVn3wJqHjSta 2nu0gIzyTwGwR4tYgnIvovM/ymkKIul3FI1r8CKFHALd5ji0KC5+UB7arLByWR6ocaer r65UU/Qzomw83ejZEoE1DOSB50Psslpap4cpVVGuzMsk1zi+M+pk2VzzL53iZQsAW4bz U9Dc8IH+Du+hcSIMOh9aIV3meSAqFwHEhkuaswKMBcIzL18f64uH9Iuu5yCuf427rlwv yB2Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=NKTXcYN6Ga8OwOynRBy3VsgpCimivGzV8i42n9KI8Xs=; b=6z4BxzX2WJkoDhB58kUaAzQzGGibn4/ZpfsSqao9e84FEQ9KlCSArkcioHn5SQIziN DzksSA9RCQVf50MxrGi1xitDKe7YXfXt8dZWpVF2lms3W2l7cjQ7MMBk3TcZ8AWW6wMa KIrop/XrDjUN5L1DxVLdw/j1nnS207beo+QoXUxNFF3lRPM0X6n7kjxoupSUKwLn1q6T C4qLXfgPwapBN2R/E/kYRLpti0Jc0ZPKtfer6QS2hkrv5EDqDluWoFP8GyUSPU0AYln5 ssVEqIJgMmmysD1YRmGcEfCn3DjTG1IIO6NOIFteTDnZlvxcGz3FTc7lathxTOILT80S UcPg== X-Gm-Message-State: ACrzQf1aN1Mb8lpy/Dx8Aov9k+GYroyg+G7uk+PEnegiRAMwkoyAS+1x dtbjyKK9P9IVTTV1uFmDmItuLa2nP8eI5vAheOvlWQ== X-Google-Smtp-Source: AMsMyM5D22AxGmbHEw1VDoNqDzk8sAPCpRYX8yAWCbCLAlgN2IR6RbCtmXFpkIMMVcOdHCdp1w7aria/94BIN8t1MhM= X-Received: by 2002:a05:6902:305:b0:6c3:b4d6:7a04 with SMTP id b5-20020a056902030500b006c3b4d67a04mr34072324ybs.93.1666718579652; Tue, 25 Oct 2022 10:22:59 -0700 (PDT) MIME-Version: 1.0 References: <202210260009.9qq1JXZi-lkp@intel.com> In-Reply-To: <202210260009.9qq1JXZi-lkp@intel.com> From: Marco Elver Date: Tue, 25 Oct 2022 10:22:23 -0700 Message-ID: Subject: Re: [linux-next:master 1602/3190] ERROR: modpost: "iounmap" [drivers/tty/ipwireless/ipwireless.ko] undefined! To: kernel test robot Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Linux Memory Management List , "Paul E. McKenney" Content-Type: text/plain; charset="UTF-8" ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1666718580; a=rsa-sha256; cv=none; b=pmVGpw2PcyuKoztTMSHDhrCjeo3LmPyLMEKpmX/AzlovyvlzzB7KRy+HWvUl+yTfvX3Usq WJ3zwz42wNDrFuj5Pj5qziGtSrWLFAw8jQUZRUg7IxBLh5HNxkRnqLbW4zLKKmvVLvvrWd hTR+dWlL8Xz9wrmJA4p0t/pWNFhLASI= ARC-Authentication-Results: i=1; imf22.hostedemail.com; dkim=pass header.d=google.com header.s=20210112 header.b=dnCJtTbV; dmarc=pass (policy=reject) header.from=google.com; spf=pass (imf22.hostedemail.com: domain of elver@google.com designates 209.85.219.173 as permitted sender) smtp.mailfrom=elver@google.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1666718580; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=NKTXcYN6Ga8OwOynRBy3VsgpCimivGzV8i42n9KI8Xs=; b=DHOxpoNPd/r9pPImhB1OwbuulqxxoaweoKfxbBnxuMsjZpwDMJRHwphYiMsRtYp9fMbiRu unkGOMuw1d5erNB2FTiQWRz3O6CWjPGamDysfSZyE6gHALHGV3hq/jUqg8EnDdB/iKU9xV /Gfp2ikTYx33UsmVpy/YK/6q4KWhaQA= X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: A19B8C000F X-Rspam-User: Authentication-Results: imf22.hostedemail.com; dkim=pass header.d=google.com header.s=20210112 header.b=dnCJtTbV; dmarc=pass (policy=reject) header.from=google.com; spf=pass (imf22.hostedemail.com: domain of elver@google.com designates 209.85.219.173 as permitted sender) smtp.mailfrom=elver@google.com X-Stat-Signature: x5wfa3ggjgkx49zo14tr618nwm1kdncf X-HE-Tag: 1666718580-88106 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Tue, 25 Oct 2022 at 09:40, kernel test robot wrote: > > Hi Marco, > > First bad commit (maybe != root cause): > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master > head: 89bf6e28373beef9577fa71f996a5f73a569617c > commit: 7c201739beef1a586d806463f1465429cdce34c5 [1602/3190] kcsan: Instrument memcpy/memset/memmove with newer Clang This is unlikely to be the cause. > config: s390-randconfig-r044-20221025 (attached as .config) > compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 791a7ae1ba3efd6bca96338e10ffde557ba83920) > reproduce (this is a W=1 build): > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > # install s390 cross compiling tool for clang build > # apt-get install binutils-s390x-linux-gnu > # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=7c201739beef1a586d806463f1465429cdce34c5 > git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git > git fetch --no-tags linux-next master > git checkout 7c201739beef1a586d806463f1465429cdce34c5 > # save the config file > mkdir build_dir && cp config build_dir/.config > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash > > If you fix the issue, kindly add following tag where applicable > | Reported-by: kernel test robot > > All errors (new ones prefixed by >>, old ones prefixed by <<): > > >> ERROR: modpost: "iounmap" [drivers/tty/ipwireless/ipwireless.ko] undefined! > >> ERROR: modpost: "ioremap" [drivers/tty/ipwireless/ipwireless.ko] undefined! > >> ERROR: modpost: "iounmap" [drivers/net/ethernet/fujitsu/fmvj18x_cs.ko] undefined! > >> ERROR: modpost: "ioremap" [drivers/net/ethernet/fujitsu/fmvj18x_cs.ko] undefined! > >> ERROR: modpost: "devm_ioremap" [drivers/net/ethernet/altera/altera_tse.ko] undefined! > ERROR: modpost: "iounmap" [drivers/pcmcia/pcmcia.ko] undefined! > ERROR: modpost: "ioremap" [drivers/pcmcia/pcmcia.ko] undefined! There are already similar warnings. My guess is that testing newer (unstable!) clang + CONFIG_KCSAN=y was broken before the KCSAN commit that fixed memcpy/etc., so from this commit onwards things build again and thus show a bunch of other warnings/errors due to semi-successful build.