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X-IronPort-AV: E=McAfee;i="6600,9927,10736"; a="338081496" X-IronPort-AV: E=Sophos;i="6.00,231,1681196400"; d="scan'208";a="338081496" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Jun 2023 19:00:04 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10736"; a="823260529" X-IronPort-AV: E=Sophos;i="6.00,231,1681196400"; d="scan'208";a="823260529" Received: from lkp-server01.sh.intel.com (HELO 15ab08e44a81) ([10.239.97.150]) by fmsmga002.fm.intel.com with ESMTP; 09 Jun 2023 19:00:02 -0700 Received: from kbuild by 15ab08e44a81 with local (Exim 4.96) (envelope-from ) id 1q7ntZ-0009au-1O; Sat, 10 Jun 2023 02:00:01 +0000 Date: Sat, 10 Jun 2023 09:59:27 +0800 From: kernel test robot To: Kees Cook Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Greg Kroah-Hartman , Marco Elver , Andrew Morton , Linux Memory Management List Subject: [stable:linux-5.15.y 36/9999] drivers/media/dvb-frontends/mb86a16.c:1600:26: warning: stack frame size (1168) exceeds limit (1024) in 'mb86a16_search' Message-ID: <202306100926.Svnvd4mx-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Rspamd-Queue-Id: F1155140008 X-Rspam-User: X-Rspamd-Server: rspam04 X-Stat-Signature: hm5dzp5gsuk4qg1momzetsyq7q5m5ze5 X-HE-Tag: 1686362405-565151 X-HE-Meta: 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 TOeMQyBV kmCxHSiNpbS0h5mdniNekeCCBnyKxFoDAYtG7C/n272rbPxlmCXONncCCItC4GPNKUBidirVNUlM3KCYeo+78azwFkEmunt2K0M2xP7NERRaA+CKiIVIaKrR9GZG9Z7uirzalGlhmc3SPsC3SazD+QwtiajSTgimqBg3ZzvJraBBg5oK+WMg2LX0+1XsjnuMWAYax/AxtCIbqHCZXmkBg7m3pWm6Ff6bzgH9J0FEHxQV5XmLdaptHi/kt4HlgZd5UOL5/2LOhxwsRTEvOMisIXhBcghuGSAWUeqqp7If9ezyIh0/vGiCSqE0vmwgClZszsLWwF98kYsC9RemAkLmjOaWL8ZfPsTAzyfRhL7llHa0hnK3mPXGHr1sngGkvsbxGzC/OeaiV/1+oKZp4+iDpwrVT5rNWzHRuPWcScHM27q9ue0SGaqKE66hJcw== 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: Hi Kees, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git linux-5.15.y head: 7349e40704a0209a2af8b37fa876322209de9684 commit: 33db9912ff7c491f839c89a08e98f755aa09598f [36/9999] ubsan: remove CONFIG_UBSAN_OBJECT_SIZE config: riscv-randconfig-r012-20230608 (https://download.01.org/0day-ci/archive/20230610/202306100926.Svnvd4mx-lkp@intel.com/config) compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project.git f28c006a5895fc0e329fe15fead81e37457cb1d1) reproduce (this is a W=1 build): mkdir -p ~/bin wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install riscv cross compiling tool for clang build # apt-get install binutils-riscv-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/commit/?id=33db9912ff7c491f839c89a08e98f755aa09598f git remote add stable https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git git fetch --no-tags stable linux-5.15.y git checkout 33db9912ff7c491f839c89a08e98f755aa09598f # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=riscv olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash drivers/media/dvb-frontends/ If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202306100926.Svnvd4mx-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/media/dvb-frontends/mb86a16.c:1600:26: warning: stack frame size (1168) exceeds limit (1024) in 'mb86a16_search' [-Wframe-larger-than] static enum dvbfe_search mb86a16_search(struct dvb_frontend *fe) ^ 1 warning generated. vim +/mb86a16_search +1600 drivers/media/dvb-frontends/mb86a16.c 41e840b13e111b drivers/media/dvb/frontends/mb86a16.c Manu Abraham 2009-12-02 1599 41da5320df6dec drivers/media/dvb/frontends/mb86a16.c Mauro Carvalho Chehab 2011-12-26 @1600 static enum dvbfe_search mb86a16_search(struct dvb_frontend *fe) 41e840b13e111b drivers/media/dvb/frontends/mb86a16.c Manu Abraham 2009-12-02 1601 { 41da5320df6dec drivers/media/dvb/frontends/mb86a16.c Mauro Carvalho Chehab 2011-12-26 1602 struct dtv_frontend_properties *p = &fe->dtv_property_cache; 41e840b13e111b drivers/media/dvb/frontends/mb86a16.c Manu Abraham 2009-12-02 1603 struct mb86a16_state *state = fe->demodulator_priv; 41e840b13e111b drivers/media/dvb/frontends/mb86a16.c Manu Abraham 2009-12-02 1604 41e840b13e111b drivers/media/dvb/frontends/mb86a16.c Manu Abraham 2009-12-02 1605 state->frequency = p->frequency / 1000; 41da5320df6dec drivers/media/dvb/frontends/mb86a16.c Mauro Carvalho Chehab 2011-12-26 1606 state->srate = p->symbol_rate / 1000; 41e840b13e111b drivers/media/dvb/frontends/mb86a16.c Manu Abraham 2009-12-02 1607 5dd83a35bea908 drivers/media/dvb/frontends/mb86a16.c Manu Abraham 2009-12-15 1608 if (!mb86a16_set_fe(state)) { 25985edcedea63 drivers/media/dvb/frontends/mb86a16.c Lucas De Marchi 2011-03-30 1609 dprintk(verbose, MB86A16_ERROR, 1, "Successfully acquired LOCK"); 5dd83a35bea908 drivers/media/dvb/frontends/mb86a16.c Manu Abraham 2009-12-15 1610 return DVBFE_ALGO_SEARCH_SUCCESS; 5dd83a35bea908 drivers/media/dvb/frontends/mb86a16.c Manu Abraham 2009-12-15 1611 } 41e840b13e111b drivers/media/dvb/frontends/mb86a16.c Manu Abraham 2009-12-02 1612 5dd83a35bea908 drivers/media/dvb/frontends/mb86a16.c Manu Abraham 2009-12-15 1613 dprintk(verbose, MB86A16_ERROR, 1, "Lock acquisition failed!"); 5dd83a35bea908 drivers/media/dvb/frontends/mb86a16.c Manu Abraham 2009-12-15 1614 return DVBFE_ALGO_SEARCH_FAILED; 41e840b13e111b drivers/media/dvb/frontends/mb86a16.c Manu Abraham 2009-12-02 1615 } 41e840b13e111b drivers/media/dvb/frontends/mb86a16.c Manu Abraham 2009-12-02 1616 :::::: The code at line 1600 was first introduced by commit :::::: 41da5320df6decec7efce0d936ccadfa9deb49d1 [media] dvb: don't pass a DVBv3 parameter for search() fops :::::: TO: Mauro Carvalho Chehab :::::: CC: Mauro Carvalho Chehab -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki