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=-8.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,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 EBF52C433ED for ; Wed, 19 May 2021 20:29:45 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 6A4616135C for ; Wed, 19 May 2021 20:29:45 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6A4616135C Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arndb.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id DA41E6B0036; Wed, 19 May 2021 16:29:44 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id D55796B006E; Wed, 19 May 2021 16:29:44 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id C1BA96B0070; Wed, 19 May 2021 16:29:44 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0047.hostedemail.com [216.40.44.47]) by kanga.kvack.org (Postfix) with ESMTP id 8FB646B0036 for ; Wed, 19 May 2021 16:29:44 -0400 (EDT) Received: from smtpin21.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 332A9824999B for ; Wed, 19 May 2021 20:29:44 +0000 (UTC) X-FDA: 78159121488.21.D433C3A Received: from mout.kundenserver.de (mout.kundenserver.de [212.227.17.10]) by imf25.hostedemail.com (Postfix) with ESMTP id 388106000249 for ; Wed, 19 May 2021 20:29:42 +0000 (UTC) Received: from mail-wr1-f45.google.com ([209.85.221.45]) by mrelayeu.kundenserver.de (mreue106 [213.165.67.113]) with ESMTPSA (Nemesis) id 1MnqbU-1l8iHn3jbe-00pMgn for ; Wed, 19 May 2021 22:29:41 +0200 Received: by mail-wr1-f45.google.com with SMTP id q5so15339604wrs.4 for ; Wed, 19 May 2021 13:29:41 -0700 (PDT) X-Gm-Message-State: AOAM533YEkM7FuMqxrHqDr29+GWDTI4i++92FKkqLW2NsPUjd95H6JiK tOpTNNsdLx9jgqlHvoAnIJ1uMGL58QjsoFVXTtU= X-Google-Smtp-Source: ABdhPJzwmppkZbciek10jJXcEtGUSWjnoLViEtj4PubcXWUvt58POoUjOy/yhqmHceYrYTw9o6KtrTF9/3tPXXZukYs= X-Received: by 2002:adf:e589:: with SMTP id l9mr722192wrm.361.1621456181313; Wed, 19 May 2021 13:29:41 -0700 (PDT) MIME-Version: 1.0 References: <202105200357.eXI65Gfu-lkp@intel.com> In-Reply-To: <202105200357.eXI65Gfu-lkp@intel.com> From: Arnd Bergmann Date: Wed, 19 May 2021 22:28:27 +0200 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [linux-stable-rc:linux-5.10.y 3189/5262] drivers/usb/dwc2/hcd.c:3835:6: warning: stack frame size of 1032 bytes in function 'dwc2_hcd_dump_state' To: kernel test robot Cc: kbuild-all@lists.01.org, clang-built-linux , Greg Kroah-Hartman , Nathan Chancellor , Kees Cook , Andrew Morton , Linux Memory Management List Content-Type: text/plain; charset="UTF-8" X-Provags-ID: V03:K1:+gEcKoXVIMPd4o9QUENMzJZqWQi2dU9grskH4IxAccD8K65Kspr 8pDfeJJMuv++uHrKwQoob1rHgSKoBGnFZSf3Z2auVC9qep/eTpqJ37eQ8bRlzOMijC58zxA RtCB69xRO2KkrNQixVcDPWMESH/ZqxcXjWn3zXMYZgyBbBGqiNDT5nFOBrFSF1wSQ7hXEj7 6yO1Tp3Q0P8HoitaqjFKQ== X-UI-Out-Filterresults: notjunk:1;V03:K0:K7EhNL5eVJk=:gkMubCg092QKx2ZZTRF5S1 LkLZYMyUR5wW818ry6/GIxqFhShsRKTh/7+c08UGpNdFzigTRrBlJunUFOIMgKdXvbrtp5MaP oUbTOAfySI4LxoQ/4XijmLx0bfapoL89ZTUzKe5Yk2I8NxhdlQk8HDbc/CFtda5eGCTLdjw3z vEQvnFJLQVBMk2sc7NEvl+x7jzzfDaA+3UkKAwA83eYSxlKljQXk6nuFyXlx5a/KrmtTVZ5xg KYWiaKUpwOq5pFnoMiUVsPT4h8bAi+eWGKTiiXzkApsGybxmnXGUThk/3eqai3URlOlN7DAmY KxiJd9NX47hQ//TY5SZzFtgIUIsnt/0c+5WL7728XS/fupbYlow1vGsgxuH1NEeJjlMMMnuy4 Ds8URmUDPUVMxdc3h7bJp9FPCuQfRxk4p20+FdNXvlRKiAkKhSyebYzacxuxGbd8aR+U0QajS jvoO35litcoBcWl94UXx0q9NzxhNpUSh4B04gwXuhplK9xRX9aUBc/ihZcuIp7pMpaZZrR7PA 6b2FcbJVTb8K9/egmQz/PA= Authentication-Results: imf25.hostedemail.com; dkim=none; dmarc=none; spf=none (imf25.hostedemail.com: domain of arnd@arndb.de has no SPF policy when checking 212.227.17.10) smtp.mailfrom=arnd@arndb.de X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 388106000249 X-Stat-Signature: 1cpw81jbuiry5f4fmndnzibmp6zzn4mt X-HE-Tag: 1621456182-723139 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 Wed, May 19, 2021 at 9:48 PM kernel test robot wrote: > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.10.y > head: 689e89aee55c565fe90fcdf8a7e53f2f976c5946 > commit: 5f2f616343b1d62d26f24316fbfc107ecf0983a9 [3189/5262] linux/compiler-clang.h: define HAVE_BUILTIN_BSWAP* > config: mips-randconfig-r015-20210519 (attached as .config) > compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 8e93d10633d751a3e9169bf9fa68326925ffa097) > 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 mips cross compiling tool for clang build > # apt-get install binutils-mips-linux-gnu > # https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/commit/?id=5f2f616343b1d62d26f24316fbfc107ecf0983a9 > git remote add linux-stable-rc https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git > git fetch --no-tags linux-stable-rc linux-5.10.y > git checkout 5f2f616343b1d62d26f24316fbfc107ecf0983a9 > # save the attached .config to linux build tree > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=mips > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot > > All warnings (new ones prefixed by >>): > I analyzed another bug like this today, and I think this is again just CONFIG_UBSAN_ALIGNMENT=y on mips/clang causing tons of these warnings. I don't think this should be considered a regression, but we may want to change either the kernel or the 0day bot from test building this combination of options. Arnd