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

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* [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
@ 2019-07-05 13:51 kbuild test robot
  2019-07-08 15:31 ` Qian Cai
  0 siblings, 1 reply; 3+ messages in thread
From: kbuild test robot @ 2019-07-05 13:51 UTC (permalink / raw)
  To: Marco Elver; +Cc: kbuild-all, Andrew Morton, Linux Memory Management List

[-- Attachment #1: Type: text/plain, Size: 10695 bytes --]

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@intel.com>

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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^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [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
  2019-07-05 13:51 [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 kbuild test robot
@ 2019-07-08 15:31 ` Qian Cai
  2019-07-08 17:11   ` Marco Elver
  0 siblings, 1 reply; 3+ messages in thread
From: Qian Cai @ 2019-07-08 15:31 UTC (permalink / raw)
  To: kbuild test robot, Marco Elver
  Cc: kbuild-all, Andrew Morton, Linux Memory Management List

Confirmed that reverting the series fixed the compilation error on x86.

254fb04d207a Revert "mm/kasan: introduce __kasan_check_{read,write}"
ea13ff3c419e Revert "mm/kasan: change kasan_check_{read,write} to return
boolean"
f985089f2720 Revert "mm/kasan: include types.h for "bool""
189d618780b9 Revert "lib/test_kasan: Add test for double-kzfree detection"
9ff8c87f0bc1 Revert "mm/slab: refactor common ksize KASAN logic into
slab_common.c"
f70e2a0186e8 Revert "mm/kasan: add object validation in ksize()"
d9cc021b1ab1 Revert "mm-kasan-add-object-validation-in-ksize-v4"

In file included from ./include/linux/compiler.h:257,
                 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:31:20: error: inlining failed in call to
always_inline ‘kasan_check_read’: function attribute mismatch
 static inline bool kasan_check_read(const volatile void *p, unsigned int size)
                    ^~~~~~~~~~~~~~~~
In file included 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:280:2: note: called from here
  kasan_check_read(addr, 1);
  ^~~~~~~~~~~~~~~~~~~~~~~~~
make[1]: *** [scripts/Makefile.build:279: fs/dcache.o] Error 1

On Fri, 2019-07-05 at 21:51 +0800, kbuild test robot wrote:
> tree:   https://kernel.googlesource.com/pub/scm/linux/kernel/git/next/linux-ne
> xt.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@intel.com>
> 
> 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


^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [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
  2019-07-08 15:31 ` Qian Cai
@ 2019-07-08 17:11   ` Marco Elver
  0 siblings, 0 replies; 3+ messages in thread
From: Marco Elver @ 2019-07-08 17:11 UTC (permalink / raw)
  To: Qian Cai
  Cc: kbuild test robot, kbuild-all, Andrew Morton,
	Linux Memory Management List

On Mon, 8 Jul 2019 at 17:31, Qian Cai <cai@lca.pw> wrote:
>
> Confirmed that reverting the series fixed the compilation error on x86.

Thanks!  I've just sent v5 which addresses the issue:
http://lkml.kernel.org/r/20190708170706.174189-1-elver@google.com

> 254fb04d207a Revert "mm/kasan: introduce __kasan_check_{read,write}"
> ea13ff3c419e Revert "mm/kasan: change kasan_check_{read,write} to return
> boolean"
> f985089f2720 Revert "mm/kasan: include types.h for "bool""
> 189d618780b9 Revert "lib/test_kasan: Add test for double-kzfree detection"
> 9ff8c87f0bc1 Revert "mm/slab: refactor common ksize KASAN logic into
> slab_common.c"
> f70e2a0186e8 Revert "mm/kasan: add object validation in ksize()"
> d9cc021b1ab1 Revert "mm-kasan-add-object-validation-in-ksize-v4"
>
> In file included from ./include/linux/compiler.h:257,
>                  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:31:20: error: inlining failed in call to
> always_inline ‘kasan_check_read’: function attribute mismatch
>  static inline bool kasan_check_read(const volatile void *p, unsigned int size)
>                     ^~~~~~~~~~~~~~~~
> In file included 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:280:2: note: called from here
>   kasan_check_read(addr, 1);
>   ^~~~~~~~~~~~~~~~~~~~~~~~~
> make[1]: *** [scripts/Makefile.build:279: fs/dcache.o] Error 1
>
> On Fri, 2019-07-05 at 21:51 +0800, kbuild test robot wrote:
> > tree:   https://kernel.googlesource.com/pub/scm/linux/kernel/git/next/linux-ne
> > xt.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@intel.com>
> >
> > 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


^ permalink raw reply	[flat|nested] 3+ messages in thread

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2019-07-05 13:51 [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 kbuild test robot
2019-07-08 15:31 ` Qian Cai
2019-07-08 17:11   ` Marco Elver

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