tree: https://github.com/kdave/btrfs-devel.git dev/auth-hash head: 15a34ffb02a72d9a272bbeaf80c2eea4cf4e3754 commit: 15a34ffb02a72d9a272bbeaf80c2eea4cf4e3754 [59/59] btrfs: add authenticated plus secondary checksum for sha256 and blake2b config: um-allmodconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-13) 9.3.0 reproduce (this is a W=1 build): git checkout 15a34ffb02a72d9a272bbeaf80c2eea4cf4e3754 # save the attached .config to linux build tree make W=1 ARCH=um If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): cc1: warning: arch/um/include/uapi: No such file or directory [-Wmissing-include-dirs] In file included from include/asm-generic/bug.h:5, from ./arch/um/include/generated/asm/bug.h:1, from include/linux/bug.h:5, from include/linux/thread_info.h:12, from include/asm-generic/current.h:5, from ./arch/um/include/generated/asm/current.h:1, from include/linux/sched.h:12, from fs/btrfs/ctree.c:6: include/asm-generic/fixmap.h: In function 'fix_to_virt': include/asm-generic/fixmap.h:32:19: warning: comparison of unsigned expression >= 0 is always true [-Wtype-limits] 32 | BUILD_BUG_ON(idx >= __end_of_fixed_addresses); | ^~ include/linux/compiler.h:372:9: note: in definition of macro '__compiletime_assert' 372 | if (!(condition)) \ | ^~~~~~~~~ include/linux/compiler.h:392:2: note: in expansion of macro '_compiletime_assert' 392 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert' 39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) | ^~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:50:2: note: in expansion of macro 'BUILD_BUG_ON_MSG' 50 | BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) | ^~~~~~~~~~~~~~~~ include/asm-generic/fixmap.h:32:2: note: in expansion of macro 'BUILD_BUG_ON' 32 | BUILD_BUG_ON(idx >= __end_of_fixed_addresses); | ^~~~~~~~~~~~ In file included from include/linux/uaccess.h:11, from include/linux/sched/task.h:11, from include/linux/sched/signal.h:9, from include/linux/rcuwait.h:6, from include/linux/percpu-rwsem.h:7, from include/linux/fs.h:33, from include/linux/huge_mm.h:8, from include/linux/mm.h:675, from fs/btrfs/ctree.c:9: arch/um/include/asm/uaccess.h: In function '__access_ok': arch/um/include/asm/uaccess.h:17:29: warning: comparison of unsigned expression >= 0 is always true [-Wtype-limits] 17 | (((unsigned long) (addr) >= FIXADDR_USER_START) && \ | ^~ arch/um/include/asm/uaccess.h:45:3: note: in expansion of macro '__access_ok_vsyscall' 45 | __access_ok_vsyscall(addr, size) || | ^~~~~~~~~~~~~~~~~~~~ In file included from fs/btrfs/ctree.c:10: fs/btrfs/ctree.h: At top level: fs/btrfs/ctree.h:2276:8: warning: type qualifiers ignored on function return type [-Wignored-qualifiers] 2276 | size_t __const btrfs_get_num_csums(void); | ^~~~~~~ 52 | BTRFS_CSUM_TYPE_AUTH_CSUM }, | ^~~~~~~~~~~~~~~~~~~~~~~~~ | BTRFS_CSUM_TYPE_AUTHSUM fs/btrfs/ctree.c:93:8: warning: type qualifiers ignored on function return type [-Wignored-qualifiers] 93 | size_t __const btrfs_get_num_csums(void) | ^~~~~~~ vim +52 fs/btrfs/ctree.c 17 18 static int split_node(struct btrfs_trans_handle *trans, struct btrfs_root 19 *root, struct btrfs_path *path, int level); 20 static int split_leaf(struct btrfs_trans_handle *trans, struct btrfs_root *root, 21 const struct btrfs_key *ins_key, struct btrfs_path *path, 22 int data_size, int extend); 23 static int push_node_left(struct btrfs_trans_handle *trans, 24 struct extent_buffer *dst, 25 struct extent_buffer *src, int empty); 26 static int balance_node_right(struct btrfs_trans_handle *trans, 27 struct extent_buffer *dst_buf, 28 struct extent_buffer *src_buf); 29 static void del_ptr(struct btrfs_root *root, struct btrfs_path *path, 30 int level, int slot); 31 32 static const struct btrfs_csums { 33 u8 size; 34 u8 flags; 35 const char name[16]; 36 const char driver[14]; 37 } btrfs_csums[] = { 38 [BTRFS_CSUM_TYPE_CRC32] = { .size = 4, .name = "crc32c" }, 39 [BTRFS_CSUM_TYPE_XXHASH] = { .size = 8, .name = "xxhash64" }, 40 [BTRFS_CSUM_TYPE_SHA256] = { .size = 32, .name = "sha256" }, 41 [BTRFS_CSUM_TYPE_BLAKE2] = { .size = 32, .name = "blake2b", 42 .driver = "blake2b-256" }, 43 [BTRFS_CSUM_TYPE_AUTH_SHA256] = { .size = 32, .name = "auth-sha256", 44 .driver = "hmac(sha256)", 45 .flags = BTRFS_CSUM_TYPE_AUTH }, 46 [BTRFS_CSUM_TYPE_AUTH_BLAKE2] = { .size = 32, .name = "auth-blake2b", 47 .driver = "blake2b-256", 48 .flags = BTRFS_CSUM_TYPE_AUTH }, 49 [BTRFS_CSUM_TYPE_AUTHSUM_SHA256] = { .size = 32, .name = "authsum-sha256", 50 .driver = "hmac(sha256)", 51 .flags = BTRFS_CSUM_TYPE_AUTH | 53 [BTRFS_CSUM_TYPE_AUTHSUM_BLAKE2] = { .size = 32, .name = "authsum-blake2b", 54 .driver = "blake2b-256", 55 .flags = BTRFS_CSUM_TYPE_AUTH | 56 BTRFS_CSUM_TYPE_AUTH_CSUM }, 57 }; 58 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org