tree: https://kernel.googlesource.com/pub/scm/linux/kernel/git/next/linux-next.git master head: 22c45ec32b4a9fa8c48ef4f5bf9b189b307aae12 commit: 452b72b9f28f8bdf0e030c827f2b366d4661fd50 [12285/12641] mm/kasan: introduce __kasan_check_{read,write} config: x86_64-randconfig-s1-07051907 (attached as .config) compiler: gcc-7 (Debian 7.4.0-9) 7.4.0 reproduce: git checkout 452b72b9f28f8bdf0e030c827f2b366d4661fd50 # save the attached .config to linux build tree make ARCH=x86_64 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): Cyclomatic Complexity 6 fs/dcache.c:d_same_name Cyclomatic Complexity 1 fs/dcache.c:__d_rehash Cyclomatic Complexity 1 fs/dcache.c:d_rehash Cyclomatic Complexity 4 fs/dcache.c:start_dir_add Cyclomatic Complexity 1 fs/dcache.c:end_dir_add Cyclomatic Complexity 12 fs/dcache.c:__d_add Cyclomatic Complexity 9 fs/dcache.c:__d_find_alias Cyclomatic Complexity 3 fs/dcache.c:d_find_alias Cyclomatic Complexity 14 fs/dcache.c:d_exact_alias Cyclomatic Complexity 10 fs/dcache.c:d_genocide_kill Cyclomatic Complexity 4 fs/dcache.c:dcache_init_early Cyclomatic Complexity 4 fs/dcache.c:dcache_init Cyclomatic Complexity 2 fs/dcache.c:get_nr_dentry Cyclomatic Complexity 2 fs/dcache.c:get_nr_dentry_unused Cyclomatic Complexity 2 fs/dcache.c:get_nr_dentry_negative Cyclomatic Complexity 3 fs/dcache.c:___d_drop Cyclomatic Complexity 3 fs/dcache.c:__d_drop Cyclomatic Complexity 1 fs/dcache.c:d_drop Cyclomatic Complexity 6 fs/dcache.c:__lock_parent Cyclomatic Complexity 21 fs/dcache.c:shrink_lock_dentry Cyclomatic Complexity 3 fs/dcache.c:d_shrink_del Cyclomatic Complexity 5 fs/dcache.c:path_check_mount Cyclomatic Complexity 3 fs/dcache.c:d_shrink_add Cyclomatic Complexity 29 fs/dcache.c:d_set_d_op Cyclomatic Complexity 19 fs/dcache.c:d_flags_for_inode Cyclomatic Complexity 6 fs/dcache.c:__d_instantiate Cyclomatic Complexity 3 fs/dcache.c:take_dentry_name_snapshot Cyclomatic Complexity 8 fs/dcache.c:swap_names Cyclomatic Complexity 5 fs/dcache.c:release_dentry_name_snapshot Cyclomatic Complexity 8 fs/dcache.c:copy_name Cyclomatic Complexity 7 fs/dcache.c:d_lru_add Cyclomatic Complexity 7 fs/dcache.c:d_lru_del Cyclomatic Complexity 16 fs/dcache.c:select_collect Cyclomatic Complexity 12 fs/dcache.c:dentry_unlink_inode Cyclomatic Complexity 1 fs/dcache.c:__d_free_external Cyclomatic Complexity 1 fs/dcache.c:__d_free Cyclomatic Complexity 10 fs/dcache.c:dentry_free Cyclomatic Complexity 32 fs/dcache.c:__dentry_kill Cyclomatic Complexity 28 fs/dcache.c:dentry_kill Cyclomatic Complexity 6 fs/dcache.c:dput Cyclomatic Complexity 12 fs/dcache.c:d_prune_aliases Cyclomatic Complexity 15 fs/dcache.c:shrink_dentry_list Cyclomatic Complexity 2 fs/dcache.c:shrink_dcache_sb Cyclomatic Complexity 8 fs/dcache.c:dget_parent Cyclomatic Complexity 5 fs/dcache.c:d_lru_isolate Cyclomatic Complexity 5 fs/dcache.c:d_lru_shrink_move Cyclomatic Complexity 9 fs/dcache.c:dentry_lru_isolate Cyclomatic Complexity 3 fs/dcache.c:dentry_lru_isolate_shrink Cyclomatic Complexity 26 fs/dcache.c:d_walk Cyclomatic Complexity 1 fs/dcache.c:path_has_submounts Cyclomatic Complexity 6 fs/dcache.c:shrink_dcache_parent Cyclomatic Complexity 1 fs/dcache.c:do_one_tree Cyclomatic Complexity 12 fs/dcache.c:d_invalidate Cyclomatic Complexity 1 fs/dcache.c:d_genocide Cyclomatic Complexity 14 fs/dcache.c:umount_check Cyclomatic Complexity 5 fs/dcache.c:d_instantiate Cyclomatic Complexity 10 fs/dcache.c:__d_instantiate_anon Cyclomatic Complexity 1 fs/dcache.c:d_instantiate_anon Cyclomatic Complexity 4 fs/dcache.c:d_add Cyclomatic Complexity 5 fs/dcache.c:d_instantiate_new Cyclomatic Complexity 4 fs/dcache.c:d_delete Cyclomatic Complexity 6 fs/dcache.c:d_wait_lookup Cyclomatic Complexity 1 fs/dcache.c:__d_lookup_done Cyclomatic Complexity 6 fs/dcache.c:d_tmpfile Cyclomatic Complexity 4 fs/dcache.c:set_dhash_entries Cyclomatic Complexity 2 fs/dcache.c:vfs_caches_init_early Cyclomatic Complexity 1 fs/dcache.c:vfs_caches_init Cyclomatic Complexity 1 fs/dcache.c:proc_nr_dentry Cyclomatic Complexity 1 fs/dcache.c:prune_dcache_sb Cyclomatic Complexity 8 fs/dcache.c:d_set_mounted Cyclomatic Complexity 4 fs/dcache.c:shrink_dcache_for_umount Cyclomatic Complexity 25 fs/dcache.c:__d_alloc Cyclomatic Complexity 4 fs/dcache.c:d_alloc Cyclomatic Complexity 1 fs/dcache.c:d_alloc_name Cyclomatic Complexity 1 fs/dcache.c:d_alloc_anon Cyclomatic Complexity 7 fs/dcache.c:d_make_root Cyclomatic Complexity 12 fs/dcache.c:__d_obtain_alias Cyclomatic Complexity 1 fs/dcache.c:d_obtain_alias Cyclomatic Complexity 1 fs/dcache.c:d_obtain_root Cyclomatic Complexity 4 fs/dcache.c:d_alloc_cursor Cyclomatic Complexity 3 fs/dcache.c:d_alloc_pseudo Cyclomatic Complexity 22 fs/dcache.c:__d_lookup_rcu Cyclomatic Complexity 35 fs/dcache.c:d_alloc_parallel Cyclomatic Complexity 13 fs/dcache.c:__d_lookup Cyclomatic Complexity 5 fs/dcache.c:d_lookup Cyclomatic Complexity 6 fs/dcache.c:d_hash_and_lookup Cyclomatic Complexity 5 fs/dcache.c:d_ancestor Cyclomatic Complexity 42 fs/dcache.c:__d_move Cyclomatic Complexity 1 fs/dcache.c:d_move Cyclomatic Complexity 9 fs/dcache.c:d_exchange Cyclomatic Complexity 14 fs/dcache.c:__d_unalias Cyclomatic Complexity 22 fs/dcache.c:d_splice_alias Cyclomatic Complexity 15 fs/dcache.c:d_add_ci Cyclomatic Complexity 7 fs/dcache.c:is_subdir In file included from include/linux/compiler.h:252:0, from arch/x86/include/asm/current.h:5, from include/linux/sched.h:12, from include/linux/ratelimit.h:6, from fs/dcache.c:18: include/linux/compiler.h: In function 'read_word_at_a_time': >> include/linux/kasan-checks.h:25:20: error: inlining failed in call to always_inline 'kasan_check_read': function attribute mismatch static inline void kasan_check_read(const volatile void *p, unsigned int size) ^~~~~~~~~~~~~~~~ In file included from arch/x86/include/asm/current.h:5:0, from include/linux/sched.h:12, from include/linux/ratelimit.h:6, from fs/dcache.c:18: include/linux/compiler.h:275:2: note: called from here kasan_check_read(addr, 1); ^~~~~~~~~~~~~~~~~~~~~~~~~ -- Cyclomatic Complexity 1 include/linux/kasan-checks.h:kasan_check_read Cyclomatic Complexity 1 include/linux/compiler.h:read_word_at_a_time Cyclomatic Complexity 4 include/linux/ctype.h:__tolower Cyclomatic Complexity 1 arch/x86/include/asm/word-at-a-time.h:count_masked_bytes Cyclomatic Complexity 1 arch/x86/include/asm/word-at-a-time.h:has_zero Cyclomatic Complexity 1 arch/x86/include/asm/word-at-a-time.h:prep_zero_mask Cyclomatic Complexity 1 arch/x86/include/asm/word-at-a-time.h:create_zero_mask Cyclomatic Complexity 1 arch/x86/include/asm/word-at-a-time.h:find_zero Cyclomatic Complexity 2 lib/string.c:strcasecmp Cyclomatic Complexity 2 lib/string.c:strcpy Cyclomatic Complexity 4 lib/string.c:strncpy Cyclomatic Complexity 3 lib/string.c:strcat Cyclomatic Complexity 3 lib/string.c:strchrnul Cyclomatic Complexity 2 lib/string.c:skip_spaces Cyclomatic Complexity 2 lib/string.c:strlen Cyclomatic Complexity 3 lib/string.c:strnlen Cyclomatic Complexity 4 lib/string.c:memcmp Cyclomatic Complexity 1 lib/string.c:bcmp Cyclomatic Complexity 4 lib/string.c:memchr Cyclomatic Complexity 14 lib/string.c:strncasecmp Cyclomatic Complexity 20 lib/string.c:strscpy Cyclomatic Complexity 8 lib/string.c:strncat Cyclomatic Complexity 8 lib/string.c:strcmp Cyclomatic Complexity 9 lib/string.c:strncmp Cyclomatic Complexity 5 lib/string.c:strchr Cyclomatic Complexity 5 lib/string.c:strrchr Cyclomatic Complexity 6 lib/string.c:strnchr Cyclomatic Complexity 6 lib/string.c:strim Cyclomatic Complexity 9 lib/string.c:strspn Cyclomatic Complexity 6 lib/string.c:strcspn Cyclomatic Complexity 6 lib/string.c:strpbrk Cyclomatic Complexity 7 lib/string.c:strsep Cyclomatic Complexity 28 lib/string.c:sysfs_streq Cyclomatic Complexity 8 lib/string.c:match_string Cyclomatic Complexity 7 lib/string.c:__sysfs_match_string Cyclomatic Complexity 5 lib/string.c:memscan Cyclomatic Complexity 8 lib/string.c:strstr Cyclomatic Complexity 8 lib/string.c:strnstr Cyclomatic Complexity 5 lib/string.c:check_bytes8 Cyclomatic Complexity 14 lib/string.c:memchr_inv Cyclomatic Complexity 5 lib/string.c:strreplace Cyclomatic Complexity 5 lib/string.c:strlcpy Cyclomatic Complexity 9 lib/string.c:strscpy_pad Cyclomatic Complexity 1 lib/string.c:memzero_explicit Cyclomatic Complexity 5 lib/string.c:strlcat Cyclomatic Complexity 0 lib/string.c:fortify_panic In file included from include/linux/compiler.h:252:0, from include/linux/string.h:6, from lib/string.c:24: include/linux/compiler.h: In function 'read_word_at_a_time': >> include/linux/kasan-checks.h:25:20: error: inlining failed in call to always_inline 'kasan_check_read': function attribute mismatch static inline void kasan_check_read(const volatile void *p, unsigned int size) ^~~~~~~~~~~~~~~~ In file included from include/linux/string.h:6:0, from lib/string.c:24: include/linux/compiler.h:275:2: note: called from here kasan_check_read(addr, 1); ^~~~~~~~~~~~~~~~~~~~~~~~~ vim +/kasan_check_read +25 include/linux/kasan-checks.h 19 20 /* 21 * kasan_check_*: Only available when the particular compilation unit has KASAN 22 * instrumentation enabled. May be used in header files. 23 */ 24 #ifdef __SANITIZE_ADDRESS__ > 25 static inline void kasan_check_read(const volatile void *p, unsigned int size) 26 { 27 __kasan_check_read(p, size); 28 } 29 static inline void kasan_check_write(const volatile void *p, unsigned int size) 30 { 31 __kasan_check_read(p, size); 32 } 33 #else 34 static inline void kasan_check_read(const volatile void *p, unsigned int size) 35 { } 36 static inline void kasan_check_write(const volatile void *p, unsigned int size) 37 { } 38 #endif 39 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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