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X-CSE-ConnectionGUID: cR/rxopyTbaJMo0jvTA0OQ== X-CSE-MsgGUID: 2lA/gHEGTP28B9W5GZnmBg== X-IronPort-AV: E=McAfee;i="6800,10657,11578"; a="64966083" X-IronPort-AV: E=Sophos;i="6.19,219,1754982000"; d="scan'208";a="64966083" Received: from orviesa003.jf.intel.com ([10.64.159.143]) by fmvoesa107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Oct 2025 11:31:13 -0700 X-CSE-ConnectionGUID: 7qHq3mJMQueTtryl/0Qa6A== X-CSE-MsgGUID: Z1/skLZmSmqM8i/EOmStNA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,219,1754982000"; d="scan'208";a="185062413" Received: from lkp-server01.sh.intel.com (HELO 6a630e8620ab) ([10.239.97.150]) by orviesa003.jf.intel.com with ESMTP; 10 Oct 2025 11:31:11 -0700 Received: from kbuild by 6a630e8620ab with local (Exim 4.96) (envelope-from ) id 1v7HtU-00033h-2k; Fri, 10 Oct 2025 18:31:08 +0000 Date: Sat, 11 Oct 2025 02:31:02 +0800 From: kernel test robot To: Ranganath V N , tytso@mit.edu, adilger.kernel@dilger.ca Cc: oe-kbuild-all@lists.linux.dev, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kernel-mentees@lists.linuxfoundation.org, skhan@linuxfoundation.org, david.hunter.linux@gmail.com, khalid@kernel.org, Ranganath V N Subject: Re: [PATCH] fs: ext4: fix uninitialized symbols Message-ID: <202510110215.0tTIOF83-lkp@intel.com> References: <20251008171614.12129-1-vnranganath.20@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel-mentees@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: <20251008171614.12129-1-vnranganath.20@gmail.com> Hi Ranganath, kernel test robot noticed the following build warnings: [auto build test WARNING on tytso-ext4/dev] [also build test WARNING on linus/master v6.17 next-20251010] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Ranganath-V-N/fs-ext4-fix-uninitialized-symbols/20251010-065232 base: https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git dev patch link: https://lore.kernel.org/r/20251008171614.12129-1-vnranganath.20%40gmail.com patch subject: [PATCH] fs: ext4: fix uninitialized symbols config: sparc-randconfig-002-20251010 (https://download.01.org/0day-ci/archive/20251011/202510110215.0tTIOF83-lkp@intel.com/config) compiler: sparc64-linux-gcc (GCC) 8.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251011/202510110215.0tTIOF83-lkp@intel.com/reproduce) 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/202510110215.0tTIOF83-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from include/uapi/linux/posix_types.h:5, from include/uapi/linux/types.h:14, from include/linux/types.h:6, from include/linux/kasan-checks.h:5, from include/asm-generic/rwonce.h:26, from ./arch/sparc/include/generated/asm/rwonce.h:1, from include/linux/compiler.h:382, from arch/sparc/include/asm/bug.h:6, from include/linux/bug.h:5, from include/linux/vfsdebug.h:5, from include/linux/fs.h:5, from fs/ext4/inode.c:22: fs/ext4/inode.c: In function 'ext4_map_blocks_atomic_write_slow': >> include/linux/stddef.h:8:14: warning: initialization of 'ext4_fsblk_t' {aka 'long long unsigned int'} from 'void *' makes integer from pointer without a cast [-Wint-conversion] #define NULL ((void *)0) ^ fs/ext4/inode.c:3547:27: note: in expansion of macro 'NULL' ext4_fsblk_t next_pblk = NULL; ^~~~ -- In file included from include/uapi/linux/posix_types.h:5, from include/uapi/linux/types.h:14, from include/linux/types.h:6, from include/linux/kasan-checks.h:5, from include/asm-generic/rwonce.h:26, from arch/sparc/include/generated/asm/rwonce.h:1, from include/linux/compiler.h:382, from arch/sparc/include/asm/bug.h:6, from include/linux/bug.h:5, from include/linux/vfsdebug.h:5, from include/linux/fs.h:5, from inode.c:22: inode.c: In function 'ext4_map_blocks_atomic_write_slow': >> include/linux/stddef.h:8:14: warning: initialization of 'ext4_fsblk_t' {aka 'long long unsigned int'} from 'void *' makes integer from pointer without a cast [-Wint-conversion] #define NULL ((void *)0) ^ inode.c:3547:27: note: in expansion of macro 'NULL' ext4_fsblk_t next_pblk = NULL; ^~~~ vim +8 include/linux/stddef.h ^1da177e4c3f41 Linus Torvalds 2005-04-16 6 ^1da177e4c3f41 Linus Torvalds 2005-04-16 7 #undef NULL ^1da177e4c3f41 Linus Torvalds 2005-04-16 @8 #define NULL ((void *)0) 6e218287432472 Richard Knutsson 2006-09-30 9 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki