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d="scan'208";a="342738379" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Apr 2023 11:27:30 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10678"; a="778403203" X-IronPort-AV: E=Sophos;i="5.98,339,1673942400"; d="scan'208";a="778403203" Received: from lkp-server01.sh.intel.com (HELO b613635ddfff) ([10.239.97.150]) by FMSMGA003.fm.intel.com with ESMTP; 12 Apr 2023 11:27:26 -0700 Received: from kbuild by b613635ddfff with local (Exim 4.96) (envelope-from ) id 1pmfBg-000Xyz-2T; Wed, 12 Apr 2023 18:27:20 +0000 Date: Thu, 13 Apr 2023 02:27:19 +0800 From: kernel test robot To: Alexander Potapenko Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, urezki@gmail.com, hch@infradead.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, akpm@linux-foundation.org, elver@google.com, dvyukov@google.com, kasan-dev@googlegroups.com, Dipanjan Das Subject: Re: [PATCH 1/2] mm: kmsan: handle alloc failures in kmsan_vmap_pages_range_noflush() Message-ID: <202304130223.epEIvA1E-lkp@intel.com> References: <20230412145300.3651840-1-glider@google.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 In-Reply-To: <20230412145300.3651840-1-glider@google.com> Hi Alexander, kernel test robot noticed the following build errors: [auto build test ERROR on akpm-mm/mm-everything] url: https://github.com/intel-lab-lkp/linux/commits/Alexander-Potapenko/mm-kmsan-handle-alloc-failures-in-kmsan_ioremap_page_range/20230412-225414 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20230412145300.3651840-1-glider%40google.com patch subject: [PATCH 1/2] mm: kmsan: handle alloc failures in kmsan_vmap_pages_range_noflush() config: i386-randconfig-a013 (https://download.01.org/0day-ci/archive/20230413/202304130223.epEIvA1E-lkp@intel.com/config) compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1) 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://github.com/intel-lab-lkp/linux/commit/f8f0837563234abfae564b24278879d42d52a6e8 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Alexander-Potapenko/mm-kmsan-handle-alloc-failures-in-kmsan_ioremap_page_range/20230412-225414 git checkout f8f0837563234abfae564b24278879d42d52a6e8 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 prepare If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot | Link: https://lore.kernel.org/oe-kbuild-all/202304130223.epEIvA1E-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from arch/x86/kernel/asm-offsets.c:14: In file included from include/linux/suspend.h:5: In file included from include/linux/swap.h:9: In file included from include/linux/memcontrol.h:22: In file included from include/linux/writeback.h:13: In file included from include/linux/blk_types.h:10: In file included from include/linux/bvec.h:10: In file included from include/linux/highmem.h:9: >> include/linux/kmsan.h:291:1: error: non-void function does not return a value [-Werror,-Wreturn-type] } ^ 1 error generated. make[2]: *** [scripts/Makefile.build:114: arch/x86/kernel/asm-offsets.s] Error 1 make[2]: Target 'prepare' not remade because of errors. make[1]: *** [Makefile:1286: prepare0] Error 2 make[1]: Target 'prepare' not remade because of errors. make: *** [Makefile:226: __sub-make] Error 2 make: Target 'prepare' not remade because of errors. vim +291 include/linux/kmsan.h 68ef169a1dd20d Alexander Potapenko 2022-09-15 284 f8f0837563234a Alexander Potapenko 2023-04-12 285 static inline int kmsan_vmap_pages_range_noflush(unsigned long start, b073d7f8aee4eb Alexander Potapenko 2022-09-15 286 unsigned long end, b073d7f8aee4eb Alexander Potapenko 2022-09-15 287 pgprot_t prot, b073d7f8aee4eb Alexander Potapenko 2022-09-15 288 struct page **pages, b073d7f8aee4eb Alexander Potapenko 2022-09-15 289 unsigned int page_shift) b073d7f8aee4eb Alexander Potapenko 2022-09-15 290 { b073d7f8aee4eb Alexander Potapenko 2022-09-15 @291 } b073d7f8aee4eb Alexander Potapenko 2022-09-15 292 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests