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d="scan'208";a="278809422" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Aug 2022 13:48:15 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.93,236,1654585200"; d="scan'208";a="934277480" Received: from lkp-server02.sh.intel.com (HELO 3d2a4d02a2a9) ([10.239.97.151]) by fmsmga005.fm.intel.com with ESMTP; 14 Aug 2022 13:48:14 -0700 Received: from kbuild by 3d2a4d02a2a9 with local (Exim 4.96) (envelope-from ) id 1oNKWr-0000Wh-2Z; Sun, 14 Aug 2022 20:48:13 +0000 Date: Mon, 15 Aug 2022 04:47:11 +0800 From: kernel test robot To: Kees Cook Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, linux-kernel@vger.kernel.org Subject: drivers/media/dvb-frontends/nxt200x.c:1087:12: warning: stack frame size (15160) exceeds limit (8192) in 'nxt200x_init' Message-ID: <202208150405.dJa74zEz-lkp@intel.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hi Kees, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 5d6a0f4da9275f6c212de33777778673ba91241a commit: a52f8a59aef46b59753e583bf4b28fccb069ce64 fortify: Explicitly disable Clang support date: 11 months ago config: x86_64-randconfig-a013-20220815 (https://download.01.org/0day-ci/archive/20220815/202208150405.dJa74zEz-lkp@intel.com/config) compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 3329cec2f79185bafd678f310fafadba2a8c76d2) 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 # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a52f8a59aef46b59753e583bf4b28fccb069ce64 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout a52f8a59aef46b59753e583bf4b28fccb069ce64 # 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=x86_64 SHELL=/bin/bash drivers/iommu/ drivers/media/dvb-frontends/ drivers/usb/host/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> drivers/media/dvb-frontends/nxt200x.c:1087:12: warning: stack frame size (15160) exceeds limit (8192) in 'nxt200x_init' [-Wframe-larger-than] static int nxt200x_init(struct dvb_frontend* fe) ^ >> drivers/media/dvb-frontends/nxt200x.c:519:12: warning: stack frame size (9624) exceeds limit (8192) in 'nxt200x_setup_frontend_parameters' [-Wframe-larger-than] static int nxt200x_setup_frontend_parameters(struct dvb_frontend *fe) ^ 2 warnings generated. -- >> drivers/media/dvb-frontends/stv0367.c:995:12: warning: stack frame size (9464) exceeds limit (8192) in 'stv0367ter_algo' [-Wframe-larger-than] static int stv0367ter_algo(struct dvb_frontend *fe) ^ >> drivers/media/dvb-frontends/stv0367.c:2540:12: warning: stack frame size (9368) exceeds limit (8192) in 'stv0367cab_set_frontend' [-Wframe-larger-than] static int stv0367cab_set_frontend(struct dvb_frontend *fe) ^ 2 warnings generated. -- drivers/usb/host/max3421-hcd.c:1968:34: warning: unused variable 'max3421_of_match_table' [-Wunused-const-variable] static const struct of_device_id max3421_of_match_table[] = { ^ >> drivers/usb/host/max3421-hcd.c:1378:1: warning: stack frame size (11288) exceeds limit (8192) in 'max3421_spi_thread' [-Wframe-larger-than] max3421_spi_thread(void *dev_id) ^ 2 warnings generated. vim +/nxt200x_init +1087 drivers/media/dvb-frontends/nxt200x.c 04a45929e7f00e drivers/media/dvb/frontends/nxt200x.c Kirk Lapray 2005-11-08 1086 04a45929e7f00e drivers/media/dvb/frontends/nxt200x.c Kirk Lapray 2005-11-08 @1087 static int nxt200x_init(struct dvb_frontend* fe) 04a45929e7f00e drivers/media/dvb/frontends/nxt200x.c Kirk Lapray 2005-11-08 1088 { 04a45929e7f00e drivers/media/dvb/frontends/nxt200x.c Kirk Lapray 2005-11-08 1089 struct nxt200x_state* state = fe->demodulator_priv; 04a45929e7f00e drivers/media/dvb/frontends/nxt200x.c Kirk Lapray 2005-11-08 1090 int ret = 0; 04a45929e7f00e drivers/media/dvb/frontends/nxt200x.c Kirk Lapray 2005-11-08 1091 04a45929e7f00e drivers/media/dvb/frontends/nxt200x.c Kirk Lapray 2005-11-08 1092 if (!state->initialised) { 04a45929e7f00e drivers/media/dvb/frontends/nxt200x.c Kirk Lapray 2005-11-08 1093 switch (state->demod_chip) { 04a45929e7f00e drivers/media/dvb/frontends/nxt200x.c Kirk Lapray 2005-11-08 1094 case NXT2002: 04a45929e7f00e drivers/media/dvb/frontends/nxt200x.c Kirk Lapray 2005-11-08 1095 ret = nxt2002_init(fe); 04a45929e7f00e drivers/media/dvb/frontends/nxt200x.c Kirk Lapray 2005-11-08 1096 break; 04a45929e7f00e drivers/media/dvb/frontends/nxt200x.c Kirk Lapray 2005-11-08 1097 case NXT2004: 04a45929e7f00e drivers/media/dvb/frontends/nxt200x.c Kirk Lapray 2005-11-08 1098 ret = nxt2004_init(fe); 04a45929e7f00e drivers/media/dvb/frontends/nxt200x.c Kirk Lapray 2005-11-08 1099 break; 04a45929e7f00e drivers/media/dvb/frontends/nxt200x.c Kirk Lapray 2005-11-08 1100 default: 04a45929e7f00e drivers/media/dvb/frontends/nxt200x.c Kirk Lapray 2005-11-08 1101 return -EINVAL; 04a45929e7f00e drivers/media/dvb/frontends/nxt200x.c Kirk Lapray 2005-11-08 1102 } 04a45929e7f00e drivers/media/dvb/frontends/nxt200x.c Kirk Lapray 2005-11-08 1103 state->initialised = 1; 04a45929e7f00e drivers/media/dvb/frontends/nxt200x.c Kirk Lapray 2005-11-08 1104 } 04a45929e7f00e drivers/media/dvb/frontends/nxt200x.c Kirk Lapray 2005-11-08 1105 return ret; 04a45929e7f00e drivers/media/dvb/frontends/nxt200x.c Kirk Lapray 2005-11-08 1106 } 04a45929e7f00e drivers/media/dvb/frontends/nxt200x.c Kirk Lapray 2005-11-08 1107 :::::: The code at line 1087 was first introduced by commit :::::: 04a45929e7f00ed4fc7b1d375397f808c8a5d0eb [PATCH] dvb: add nxt200x frontend module :::::: TO: Kirk Lapray :::::: CC: Linus Torvalds -- 0-DAY CI Kernel Test Service https://01.org/lkp