tree: https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git pending-5.10 head: c7460074320c38fd9956dc1923fd4ccfdb7437b0 commit: 1f509454ef33a91f39e90978ef9be20e03003194 [16/26] btrfs: tree-checker: check item_size for dev_item config: alpha-randconfig-r004-20220217 (https://download.01.org/0day-ci/archive/20220218/202202180541.GzlLhFrd-lk...) compiler: alpha-linux-gcc (GCC) 11.2.0 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/sashal/linux-stable.git/c... git remote add sashal-stable https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git git fetch --no-tags sashal-stable pending-5.10 git checkout 1f509454ef33a91f39e90978ef9be20e03003194 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=alpha SHELL=/bin/bash fs/btrfs/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): fs/btrfs/tree-checker.c: In function 'check_dev_item': 950 | const u32 item_size = btrfs_item_size(leaf, slot); | ^~~~ | | | int In file included from fs/btrfs/tree-checker.c:21: fs/btrfs/ctree.h:1474:48: note: expected 'const struct btrfs_item *' but argument is of type 'int' 1474 | const type *s) \ | ~~~~~~~~~~~~^ fs/btrfs/ctree.h:1833:1: note: in expansion of macro 'BTRFS_SETGET_FUNCS' 1833 | BTRFS_SETGET_FUNCS(item_size, struct btrfs_item, size, 32); | ^~~~~~~~~~~~~~~~~~ vim +/btrfs_item_size +950 fs/btrfs/tree-checker.c 945 946 static int check_dev_item(struct extent_buffer *leaf, 947 struct btrfs_key *key, int slot) 948 { 949 struct btrfs_dev_item *ditem; 951 952 if (key->objectid != BTRFS_DEV_ITEMS_OBJECTID) { 953 dev_item_err(leaf, slot, 954 "invalid objectid: has=%llu expect=%llu", 955 key->objectid, BTRFS_DEV_ITEMS_OBJECTID); 956 return -EUCLEAN; 957 } 958 959 if (unlikely(item_size != sizeof(*ditem))) { 960 dev_item_err(leaf, slot, "invalid item size: has %u expect %zu", 961 item_size, sizeof(*ditem)); 962 return -EUCLEAN; 963 } 964 965 ditem = btrfs_item_ptr(leaf, slot, struct btrfs_dev_item); 966 if (btrfs_device_id(leaf, ditem) != key->offset) { 967 dev_item_err(leaf, slot, 968 "devid mismatch: key has=%llu item has=%llu", 969 key->offset, btrfs_device_id(leaf, ditem)); 970 return -EUCLEAN; 971 } 972 973 /* 974 * For device total_bytes, we don't have reliable way to check it, as 975 * it can be 0 for device removal. Device size check can only be done 976 * by dev extents check. 977 */ 978 if (btrfs_device_bytes_used(leaf, ditem) > 979 btrfs_device_total_bytes(leaf, ditem)) { 980 dev_item_err(leaf, slot, 981 "invalid bytes used: have %llu expect [0, %llu]", 982 btrfs_device_bytes_used(leaf, ditem), 983 btrfs_device_total_bytes(leaf, ditem)); 984 return -EUCLEAN; 985 } 986 /* 987 * Remaining members like io_align/type/gen/dev_group aren't really 988 * utilized. Skip them to make later usage of them easier. 989 */ 990 return 0; 991 } 992 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org