tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 3c13c772fc233a10342c8e1605ff0855dfdf0c89 commit: 977590f1aca51242a59e24bb9a50285107f29a98 [4491/4552] Merge branch 'for-next' of https://evilpiepirate.org/git/bcachefs.git config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20230912/202309122155.dteFhtkC-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230912/202309122155.dteFhtkC-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/202309122155.dteFhtkC-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): fs/bcachefs/bcachefs_format.h:870:14: warning: 'INODE_NEW_VARINT_OFFSET' defined but not used [-Wunused-const-variable=] 870 | LE32_BITMASK(INODE_NEW_VARINT, struct bch_inode, bi_flags, 31, 32); | ^~~~~~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:101:25: note: in definition of macro 'LE_BITMASK' 101 | static const unsigned name##_OFFSET = offset; \ | ^~~~ fs/bcachefs/bcachefs_format.h:870:1: note: in expansion of macro 'LE32_BITMASK' 870 | LE32_BITMASK(INODE_NEW_VARINT, struct bch_inode, bi_flags, 31, 32); | ^~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:869:14: warning: 'INODE_NR_FIELDS_MAX' defined but not used [-Wunused-const-variable=] 869 | LE32_BITMASK(INODE_NR_FIELDS, struct bch_inode, bi_flags, 24, 31); | ^~~~~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:103:25: note: in definition of macro 'LE_BITMASK' 103 | static const __u##_bits name##_MAX = (1ULL << (end - offset)) - 1; \ | ^~~~ fs/bcachefs/bcachefs_format.h:869:1: note: in expansion of macro 'LE32_BITMASK' 869 | LE32_BITMASK(INODE_NR_FIELDS, struct bch_inode, bi_flags, 24, 31); | ^~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:869:14: warning: 'INODE_NR_FIELDS_BITS' defined but not used [-Wunused-const-variable=] 869 | LE32_BITMASK(INODE_NR_FIELDS, struct bch_inode, bi_flags, 24, 31); | ^~~~~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:102:25: note: in definition of macro 'LE_BITMASK' 102 | static const unsigned name##_BITS = (end - offset); \ | ^~~~ fs/bcachefs/bcachefs_format.h:869:1: note: in expansion of macro 'LE32_BITMASK' 869 | LE32_BITMASK(INODE_NR_FIELDS, struct bch_inode, bi_flags, 24, 31); | ^~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:869:14: warning: 'INODE_NR_FIELDS_OFFSET' defined but not used [-Wunused-const-variable=] 869 | LE32_BITMASK(INODE_NR_FIELDS, struct bch_inode, bi_flags, 24, 31); | ^~~~~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:101:25: note: in definition of macro 'LE_BITMASK' 101 | static const unsigned name##_OFFSET = offset; \ | ^~~~ fs/bcachefs/bcachefs_format.h:869:1: note: in expansion of macro 'LE32_BITMASK' 869 | LE32_BITMASK(INODE_NR_FIELDS, struct bch_inode, bi_flags, 24, 31); | ^~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:868:14: warning: 'INODE_STR_HASH_MAX' defined but not used [-Wunused-const-variable=] 868 | LE32_BITMASK(INODE_STR_HASH, struct bch_inode, bi_flags, 20, 24); | ^~~~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:103:25: note: in definition of macro 'LE_BITMASK' 103 | static const __u##_bits name##_MAX = (1ULL << (end - offset)) - 1; \ | ^~~~ fs/bcachefs/bcachefs_format.h:868:1: note: in expansion of macro 'LE32_BITMASK' 868 | LE32_BITMASK(INODE_STR_HASH, struct bch_inode, bi_flags, 20, 24); | ^~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:868:14: warning: 'INODE_STR_HASH_BITS' defined but not used [-Wunused-const-variable=] 868 | LE32_BITMASK(INODE_STR_HASH, struct bch_inode, bi_flags, 20, 24); | ^~~~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:102:25: note: in definition of macro 'LE_BITMASK' 102 | static const unsigned name##_BITS = (end - offset); \ | ^~~~ fs/bcachefs/bcachefs_format.h:868:1: note: in expansion of macro 'LE32_BITMASK' 868 | LE32_BITMASK(INODE_STR_HASH, struct bch_inode, bi_flags, 20, 24); | ^~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:868:14: warning: 'INODE_STR_HASH_OFFSET' defined but not used [-Wunused-const-variable=] 868 | LE32_BITMASK(INODE_STR_HASH, struct bch_inode, bi_flags, 20, 24); | ^~~~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:101:25: note: in definition of macro 'LE_BITMASK' 101 | static const unsigned name##_OFFSET = offset; \ | ^~~~ fs/bcachefs/bcachefs_format.h:868:1: note: in expansion of macro 'LE32_BITMASK' 868 | LE32_BITMASK(INODE_STR_HASH, struct bch_inode, bi_flags, 20, 24); | ^~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:678:14: warning: 'BTREE_PTR_RANGE_UPDATED_MAX' defined but not used [-Wunused-const-variable=] 678 | LE16_BITMASK(BTREE_PTR_RANGE_UPDATED, struct bch_btree_ptr_v2, flags, 0, 1); | ^~~~~~~~~~~~~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:103:25: note: in definition of macro 'LE_BITMASK' 103 | static const __u##_bits name##_MAX = (1ULL << (end - offset)) - 1; \ | ^~~~ fs/bcachefs/bcachefs_format.h:678:1: note: in expansion of macro 'LE16_BITMASK' 678 | LE16_BITMASK(BTREE_PTR_RANGE_UPDATED, struct bch_btree_ptr_v2, flags, 0, 1); | ^~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:678:14: warning: 'BTREE_PTR_RANGE_UPDATED_BITS' defined but not used [-Wunused-const-variable=] 678 | LE16_BITMASK(BTREE_PTR_RANGE_UPDATED, struct bch_btree_ptr_v2, flags, 0, 1); | ^~~~~~~~~~~~~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:102:25: note: in definition of macro 'LE_BITMASK' 102 | static const unsigned name##_BITS = (end - offset); \ | ^~~~ fs/bcachefs/bcachefs_format.h:678:1: note: in expansion of macro 'LE16_BITMASK' 678 | LE16_BITMASK(BTREE_PTR_RANGE_UPDATED, struct bch_btree_ptr_v2, flags, 0, 1); | ^~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:678:14: warning: 'BTREE_PTR_RANGE_UPDATED_OFFSET' defined but not used [-Wunused-const-variable=] 678 | LE16_BITMASK(BTREE_PTR_RANGE_UPDATED, struct bch_btree_ptr_v2, flags, 0, 1); | ^~~~~~~~~~~~~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:101:25: note: in definition of macro 'LE_BITMASK' 101 | static const unsigned name##_OFFSET = offset; \ | ^~~~ fs/bcachefs/bcachefs_format.h:678:1: note: in expansion of macro 'LE16_BITMASK' 678 | LE16_BITMASK(BTREE_PTR_RANGE_UPDATED, struct bch_btree_ptr_v2, flags, 0, 1); | ^~~~~~~~~~~~ In file included from include/linux/string.h:254, from include/linux/bitmap.h:11, from include/linux/cpumask.h:12, from include/linux/smp.h:13, from include/linux/lockdep.h:14, from include/linux/radix-tree.h:14, from include/linux/backing-dev-defs.h:6, from fs/bcachefs/bcachefs.h:186: In function 'bch2_bkey_append_ptr', inlined from 'bch2_alloc_sectors_append_ptrs_inlined' at fs/bcachefs/alloc_foreground.h:194:3: >> include/linux/fortify-string.h:57:33: warning: writing 8 bytes into a region of size 0 [-Wstringop-overflow=] 57 | #define __underlying_memcpy __builtin_memcpy | ^ include/linux/fortify-string.h:648:9: note: in expansion of macro '__underlying_memcpy' 648 | __underlying_##op(p, q, __fortify_size); \ | ^~~~~~~~~~~~~ include/linux/fortify-string.h:693:26: note: in expansion of macro '__fortify_memcpy_chk' 693 | #define memcpy(p, q, s) __fortify_memcpy_chk(p, q, s, \ | ^~~~~~~~~~~~~~~~~~~~ fs/bcachefs/extents.h:645:17: note: in expansion of macro 'memcpy' 645 | memcpy((void *) &k->v + bkey_val_bytes(&k->k), | ^~~~~~ fs/bcachefs/bcachefs_format.h: In function 'bch2_alloc_sectors_append_ptrs_inlined': fs/bcachefs/bcachefs_format.h:303:25: note: destination object 'v' of size 0 303 | struct bch_val v; | ^ -- fs/bcachefs/bcachefs_format.h:870:14: warning: 'INODE_NEW_VARINT_OFFSET' defined but not used [-Wunused-const-variable=] 870 | LE32_BITMASK(INODE_NEW_VARINT, struct bch_inode, bi_flags, 31, 32); | ^~~~~~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:101:25: note: in definition of macro 'LE_BITMASK' 101 | static const unsigned name##_OFFSET = offset; \ | ^~~~ fs/bcachefs/bcachefs_format.h:870:1: note: in expansion of macro 'LE32_BITMASK' 870 | LE32_BITMASK(INODE_NEW_VARINT, struct bch_inode, bi_flags, 31, 32); | ^~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:869:14: warning: 'INODE_NR_FIELDS_MAX' defined but not used [-Wunused-const-variable=] 869 | LE32_BITMASK(INODE_NR_FIELDS, struct bch_inode, bi_flags, 24, 31); | ^~~~~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:103:25: note: in definition of macro 'LE_BITMASK' 103 | static const __u##_bits name##_MAX = (1ULL << (end - offset)) - 1; \ | ^~~~ fs/bcachefs/bcachefs_format.h:869:1: note: in expansion of macro 'LE32_BITMASK' 869 | LE32_BITMASK(INODE_NR_FIELDS, struct bch_inode, bi_flags, 24, 31); | ^~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:869:14: warning: 'INODE_NR_FIELDS_BITS' defined but not used [-Wunused-const-variable=] 869 | LE32_BITMASK(INODE_NR_FIELDS, struct bch_inode, bi_flags, 24, 31); | ^~~~~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:102:25: note: in definition of macro 'LE_BITMASK' 102 | static const unsigned name##_BITS = (end - offset); \ | ^~~~ fs/bcachefs/bcachefs_format.h:869:1: note: in expansion of macro 'LE32_BITMASK' 869 | LE32_BITMASK(INODE_NR_FIELDS, struct bch_inode, bi_flags, 24, 31); | ^~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:869:14: warning: 'INODE_NR_FIELDS_OFFSET' defined but not used [-Wunused-const-variable=] 869 | LE32_BITMASK(INODE_NR_FIELDS, struct bch_inode, bi_flags, 24, 31); | ^~~~~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:101:25: note: in definition of macro 'LE_BITMASK' 101 | static const unsigned name##_OFFSET = offset; \ | ^~~~ fs/bcachefs/bcachefs_format.h:869:1: note: in expansion of macro 'LE32_BITMASK' 869 | LE32_BITMASK(INODE_NR_FIELDS, struct bch_inode, bi_flags, 24, 31); | ^~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:868:14: warning: 'INODE_STR_HASH_MAX' defined but not used [-Wunused-const-variable=] 868 | LE32_BITMASK(INODE_STR_HASH, struct bch_inode, bi_flags, 20, 24); | ^~~~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:103:25: note: in definition of macro 'LE_BITMASK' 103 | static const __u##_bits name##_MAX = (1ULL << (end - offset)) - 1; \ | ^~~~ fs/bcachefs/bcachefs_format.h:868:1: note: in expansion of macro 'LE32_BITMASK' 868 | LE32_BITMASK(INODE_STR_HASH, struct bch_inode, bi_flags, 20, 24); | ^~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:868:14: warning: 'INODE_STR_HASH_BITS' defined but not used [-Wunused-const-variable=] 868 | LE32_BITMASK(INODE_STR_HASH, struct bch_inode, bi_flags, 20, 24); | ^~~~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:102:25: note: in definition of macro 'LE_BITMASK' 102 | static const unsigned name##_BITS = (end - offset); \ | ^~~~ fs/bcachefs/bcachefs_format.h:868:1: note: in expansion of macro 'LE32_BITMASK' 868 | LE32_BITMASK(INODE_STR_HASH, struct bch_inode, bi_flags, 20, 24); | ^~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:868:14: warning: 'INODE_STR_HASH_OFFSET' defined but not used [-Wunused-const-variable=] 868 | LE32_BITMASK(INODE_STR_HASH, struct bch_inode, bi_flags, 20, 24); | ^~~~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:101:25: note: in definition of macro 'LE_BITMASK' 101 | static const unsigned name##_OFFSET = offset; \ | ^~~~ fs/bcachefs/bcachefs_format.h:868:1: note: in expansion of macro 'LE32_BITMASK' 868 | LE32_BITMASK(INODE_STR_HASH, struct bch_inode, bi_flags, 20, 24); | ^~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:678:14: warning: 'BTREE_PTR_RANGE_UPDATED_MAX' defined but not used [-Wunused-const-variable=] 678 | LE16_BITMASK(BTREE_PTR_RANGE_UPDATED, struct bch_btree_ptr_v2, flags, 0, 1); | ^~~~~~~~~~~~~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:103:25: note: in definition of macro 'LE_BITMASK' 103 | static const __u##_bits name##_MAX = (1ULL << (end - offset)) - 1; \ | ^~~~ fs/bcachefs/bcachefs_format.h:678:1: note: in expansion of macro 'LE16_BITMASK' 678 | LE16_BITMASK(BTREE_PTR_RANGE_UPDATED, struct bch_btree_ptr_v2, flags, 0, 1); | ^~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:678:14: warning: 'BTREE_PTR_RANGE_UPDATED_BITS' defined but not used [-Wunused-const-variable=] 678 | LE16_BITMASK(BTREE_PTR_RANGE_UPDATED, struct bch_btree_ptr_v2, flags, 0, 1); | ^~~~~~~~~~~~~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:102:25: note: in definition of macro 'LE_BITMASK' 102 | static const unsigned name##_BITS = (end - offset); \ | ^~~~ fs/bcachefs/bcachefs_format.h:678:1: note: in expansion of macro 'LE16_BITMASK' 678 | LE16_BITMASK(BTREE_PTR_RANGE_UPDATED, struct bch_btree_ptr_v2, flags, 0, 1); | ^~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:678:14: warning: 'BTREE_PTR_RANGE_UPDATED_OFFSET' defined but not used [-Wunused-const-variable=] 678 | LE16_BITMASK(BTREE_PTR_RANGE_UPDATED, struct bch_btree_ptr_v2, flags, 0, 1); | ^~~~~~~~~~~~~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:101:25: note: in definition of macro 'LE_BITMASK' 101 | static const unsigned name##_OFFSET = offset; \ | ^~~~ fs/bcachefs/bcachefs_format.h:678:1: note: in expansion of macro 'LE16_BITMASK' 678 | LE16_BITMASK(BTREE_PTR_RANGE_UPDATED, struct bch_btree_ptr_v2, flags, 0, 1); | ^~~~~~~~~~~~ In file included from include/linux/string.h:254, from include/linux/bitmap.h:11, from include/linux/cpumask.h:12, from include/linux/smp.h:13, from include/linux/lockdep.h:14, from include/linux/radix-tree.h:14, from include/linux/backing-dev-defs.h:6, from fs/bcachefs/bcachefs.h:186: In function 'bch2_bkey_append_ptr', inlined from 'bch2_alloc_sectors_append_ptrs_inlined' at fs/bcachefs/alloc_foreground.h:194:3: >> include/linux/fortify-string.h:57:33: warning: writing 8 bytes into a region of size 0 [-Wstringop-overflow=] 57 | #define __underlying_memcpy __builtin_memcpy | ^ include/linux/fortify-string.h:648:9: note: in expansion of macro '__underlying_memcpy' 648 | __underlying_##op(p, q, __fortify_size); \ | ^~~~~~~~~~~~~ include/linux/fortify-string.h:693:26: note: in expansion of macro '__fortify_memcpy_chk' 693 | #define memcpy(p, q, s) __fortify_memcpy_chk(p, q, s, \ | ^~~~~~~~~~~~~~~~~~~~ fs/bcachefs/extents.h:645:17: note: in expansion of macro 'memcpy' 645 | memcpy((void *) &k->v + bkey_val_bytes(&k->k), | ^~~~~~ fs/bcachefs/bcachefs_format.h: In function 'bch2_alloc_sectors_append_ptrs_inlined': fs/bcachefs/bcachefs_format.h:303:25: note: destination object 'v' of size 0 303 | struct bch_val v; | ^ -- fs/bcachefs/bcachefs_format.h:870:14: warning: 'INODE_NEW_VARINT_OFFSET' defined but not used [-Wunused-const-variable=] 870 | LE32_BITMASK(INODE_NEW_VARINT, struct bch_inode, bi_flags, 31, 32); | ^~~~~~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:101:25: note: in definition of macro 'LE_BITMASK' 101 | static const unsigned name##_OFFSET = offset; \ | ^~~~ fs/bcachefs/bcachefs_format.h:870:1: note: in expansion of macro 'LE32_BITMASK' 870 | LE32_BITMASK(INODE_NEW_VARINT, struct bch_inode, bi_flags, 31, 32); | ^~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:869:14: warning: 'INODE_NR_FIELDS_MAX' defined but not used [-Wunused-const-variable=] 869 | LE32_BITMASK(INODE_NR_FIELDS, struct bch_inode, bi_flags, 24, 31); | ^~~~~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:103:25: note: in definition of macro 'LE_BITMASK' 103 | static const __u##_bits name##_MAX = (1ULL << (end - offset)) - 1; \ | ^~~~ fs/bcachefs/bcachefs_format.h:869:1: note: in expansion of macro 'LE32_BITMASK' 869 | LE32_BITMASK(INODE_NR_FIELDS, struct bch_inode, bi_flags, 24, 31); | ^~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:869:14: warning: 'INODE_NR_FIELDS_BITS' defined but not used [-Wunused-const-variable=] 869 | LE32_BITMASK(INODE_NR_FIELDS, struct bch_inode, bi_flags, 24, 31); | ^~~~~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:102:25: note: in definition of macro 'LE_BITMASK' 102 | static const unsigned name##_BITS = (end - offset); \ | ^~~~ fs/bcachefs/bcachefs_format.h:869:1: note: in expansion of macro 'LE32_BITMASK' 869 | LE32_BITMASK(INODE_NR_FIELDS, struct bch_inode, bi_flags, 24, 31); | ^~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:869:14: warning: 'INODE_NR_FIELDS_OFFSET' defined but not used [-Wunused-const-variable=] 869 | LE32_BITMASK(INODE_NR_FIELDS, struct bch_inode, bi_flags, 24, 31); | ^~~~~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:101:25: note: in definition of macro 'LE_BITMASK' 101 | static const unsigned name##_OFFSET = offset; \ | ^~~~ fs/bcachefs/bcachefs_format.h:869:1: note: in expansion of macro 'LE32_BITMASK' 869 | LE32_BITMASK(INODE_NR_FIELDS, struct bch_inode, bi_flags, 24, 31); | ^~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:868:14: warning: 'INODE_STR_HASH_MAX' defined but not used [-Wunused-const-variable=] 868 | LE32_BITMASK(INODE_STR_HASH, struct bch_inode, bi_flags, 20, 24); | ^~~~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:103:25: note: in definition of macro 'LE_BITMASK' 103 | static const __u##_bits name##_MAX = (1ULL << (end - offset)) - 1; \ | ^~~~ fs/bcachefs/bcachefs_format.h:868:1: note: in expansion of macro 'LE32_BITMASK' 868 | LE32_BITMASK(INODE_STR_HASH, struct bch_inode, bi_flags, 20, 24); | ^~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:868:14: warning: 'INODE_STR_HASH_BITS' defined but not used [-Wunused-const-variable=] 868 | LE32_BITMASK(INODE_STR_HASH, struct bch_inode, bi_flags, 20, 24); | ^~~~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:102:25: note: in definition of macro 'LE_BITMASK' 102 | static const unsigned name##_BITS = (end - offset); \ | ^~~~ fs/bcachefs/bcachefs_format.h:868:1: note: in expansion of macro 'LE32_BITMASK' 868 | LE32_BITMASK(INODE_STR_HASH, struct bch_inode, bi_flags, 20, 24); | ^~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:868:14: warning: 'INODE_STR_HASH_OFFSET' defined but not used [-Wunused-const-variable=] 868 | LE32_BITMASK(INODE_STR_HASH, struct bch_inode, bi_flags, 20, 24); | ^~~~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:101:25: note: in definition of macro 'LE_BITMASK' 101 | static const unsigned name##_OFFSET = offset; \ | ^~~~ fs/bcachefs/bcachefs_format.h:868:1: note: in expansion of macro 'LE32_BITMASK' 868 | LE32_BITMASK(INODE_STR_HASH, struct bch_inode, bi_flags, 20, 24); | ^~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:678:14: warning: 'BTREE_PTR_RANGE_UPDATED_MAX' defined but not used [-Wunused-const-variable=] 678 | LE16_BITMASK(BTREE_PTR_RANGE_UPDATED, struct bch_btree_ptr_v2, flags, 0, 1); | ^~~~~~~~~~~~~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:103:25: note: in definition of macro 'LE_BITMASK' 103 | static const __u##_bits name##_MAX = (1ULL << (end - offset)) - 1; \ | ^~~~ fs/bcachefs/bcachefs_format.h:678:1: note: in expansion of macro 'LE16_BITMASK' 678 | LE16_BITMASK(BTREE_PTR_RANGE_UPDATED, struct bch_btree_ptr_v2, flags, 0, 1); | ^~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:678:14: warning: 'BTREE_PTR_RANGE_UPDATED_BITS' defined but not used [-Wunused-const-variable=] 678 | LE16_BITMASK(BTREE_PTR_RANGE_UPDATED, struct bch_btree_ptr_v2, flags, 0, 1); | ^~~~~~~~~~~~~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:102:25: note: in definition of macro 'LE_BITMASK' 102 | static const unsigned name##_BITS = (end - offset); \ | ^~~~ fs/bcachefs/bcachefs_format.h:678:1: note: in expansion of macro 'LE16_BITMASK' 678 | LE16_BITMASK(BTREE_PTR_RANGE_UPDATED, struct bch_btree_ptr_v2, flags, 0, 1); | ^~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:678:14: warning: 'BTREE_PTR_RANGE_UPDATED_OFFSET' defined but not used [-Wunused-const-variable=] 678 | LE16_BITMASK(BTREE_PTR_RANGE_UPDATED, struct bch_btree_ptr_v2, flags, 0, 1); | ^~~~~~~~~~~~~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:101:25: note: in definition of macro 'LE_BITMASK' 101 | static const unsigned name##_OFFSET = offset; \ | ^~~~ fs/bcachefs/bcachefs_format.h:678:1: note: in expansion of macro 'LE16_BITMASK' 678 | LE16_BITMASK(BTREE_PTR_RANGE_UPDATED, struct bch_btree_ptr_v2, flags, 0, 1); | ^~~~~~~~~~~~ In file included from include/linux/string.h:254, from include/linux/bitmap.h:11, from include/linux/cpumask.h:12, from include/linux/smp.h:13, from include/linux/lockdep.h:14, from include/linux/radix-tree.h:14, from include/linux/backing-dev-defs.h:6, from fs/bcachefs/bcachefs.h:186: In function 'bch2_bkey_append_ptr', inlined from '__journal_write_alloc' at fs/bcachefs/journal_io.c:1363:3: >> include/linux/fortify-string.h:57:33: warning: writing 8 bytes into a region of size 0 [-Wstringop-overflow=] 57 | #define __underlying_memcpy __builtin_memcpy | ^ include/linux/fortify-string.h:648:9: note: in expansion of macro '__underlying_memcpy' 648 | __underlying_##op(p, q, __fortify_size); \ | ^~~~~~~~~~~~~ include/linux/fortify-string.h:693:26: note: in expansion of macro '__fortify_memcpy_chk' 693 | #define memcpy(p, q, s) __fortify_memcpy_chk(p, q, s, \ | ^~~~~~~~~~~~~~~~~~~~ fs/bcachefs/extents.h:645:17: note: in expansion of macro 'memcpy' 645 | memcpy((void *) &k->v + bkey_val_bytes(&k->k), | ^~~~~~ fs/bcachefs/bcachefs_format.h: In function '__journal_write_alloc': fs/bcachefs/bcachefs_format.h:303:25: note: destination object 'v' of size 0 303 | struct bch_val v; | ^ vim +57 include/linux/fortify-string.h 78a498c3a227f2 Alexander Potapenko 2022-10-24 46 78a498c3a227f2 Alexander Potapenko 2022-10-24 47 #if defined(__SANITIZE_MEMORY__) 78a498c3a227f2 Alexander Potapenko 2022-10-24 48 /* 78a498c3a227f2 Alexander Potapenko 2022-10-24 49 * For KMSAN builds all memcpy/memset/memmove calls should be replaced by the 78a498c3a227f2 Alexander Potapenko 2022-10-24 50 * corresponding __msan_XXX functions. 78a498c3a227f2 Alexander Potapenko 2022-10-24 51 */ 78a498c3a227f2 Alexander Potapenko 2022-10-24 52 #include <linux/kmsan_string.h> 78a498c3a227f2 Alexander Potapenko 2022-10-24 53 #define __underlying_memcpy __msan_memcpy 78a498c3a227f2 Alexander Potapenko 2022-10-24 54 #define __underlying_memmove __msan_memmove 78a498c3a227f2 Alexander Potapenko 2022-10-24 55 #define __underlying_memset __msan_memset 78a498c3a227f2 Alexander Potapenko 2022-10-24 56 #else a28a6e860c6cf2 Francis Laniel 2021-02-25 @57 #define __underlying_memcpy __builtin_memcpy a28a6e860c6cf2 Francis Laniel 2021-02-25 58 #define __underlying_memmove __builtin_memmove a28a6e860c6cf2 Francis Laniel 2021-02-25 59 #define __underlying_memset __builtin_memset 78a498c3a227f2 Alexander Potapenko 2022-10-24 60 #endif 78a498c3a227f2 Alexander Potapenko 2022-10-24 61 :::::: The code at line 57 was first introduced by commit :::::: a28a6e860c6cf231cf3c5171c75c342adcd00406 string.h: move fortified functions definitions in a dedicated header. :::::: TO: Francis Laniel <laniel_francis@xxxxxxxxxxxxxxxxxxx> :::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
