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@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
