Hi Josef, kernel test robot noticed the following build warnings: [auto build test WARNING on axboe-block/for-next] [also build test WARNING on linus/master v6.6-rc1 next-20230914] [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/Josef-Bacik/fscrypt-rename-fscrypt_info-fscrypt_inode_info/20230915-085013 base: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-next patch link: https://lore.kernel.org/r/29b2303463c3b4978d17a6a257e7a8aa3da23de4.1694738282.git.josef%40toxicpanda.com patch subject: [PATCH 2/4] fscrypt: add per-extent encryption support config: parisc-allyesconfig (https://download.01.org/0day-ci/archive/20230915/202309151147.DmtmoJbq-lkp@xxxxxxxxx/config) compiler: hppa-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230915/202309151147.DmtmoJbq-lkp@xxxxxxxxx/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 <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202309151147.DmtmoJbq-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): fs/crypto/keysetup.c: In function 'fscrypt_load_extent_info': >> fs/crypto/keysetup.c:904:40: warning: argument to 'sizeof' in 'memcpy' call is the same expression as the source; did you mean to provide an explicit length? [-Wsizeof-pointer-memaccess] 904 | memcpy(&extent_ctx, ctx, sizeof(ctx)); | ^ vim +904 fs/crypto/keysetup.c 881 882 /** 883 * fscrypt_load_extent_info() - create an fscrypt_extent_info from the context 884 * @inode: the inode 885 * @ctx: the context buffer 886 * @ctx_size: the size of the context buffer 887 * 888 * Create the file_extent_info and derive the key based on the 889 * fscrypt_extent_context buffer that is probided. 890 * 891 * Return: The newly allocated fscrypt_extent_info on success, -EOPNOTSUPP if 892 * we're not encrypted, or another -errno code 893 */ 894 struct fscrypt_extent_info *fscrypt_load_extent_info(struct inode *inode, 895 u8 *ctx, size_t ctx_size) 896 { 897 struct fscrypt_extent_context extent_ctx; 898 899 if (!fscrypt_inode_uses_inline_crypto(inode)) 900 return ERR_PTR(-EOPNOTSUPP); 901 if (ctx_size < sizeof(extent_ctx)) 902 return ERR_PTR(-EINVAL); 903 > 904 memcpy(&extent_ctx, ctx, sizeof(ctx)); 905 return setup_extent_info(inode, extent_ctx.nonce); 906 } 907 EXPORT_SYMBOL(fscrypt_load_extent_info); 908 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki