[linux-next:master 12285/12641] include/linux/kasan-checks.h:25:20: error: inlining failed in call to always_inline 'kasan_check_read': function attribute mismatch

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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

Attachment: .config.gz
Description: application/gzip


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