From: kernel test robot <lkp@intel.com>
To: Mel Gorman <mgorman@suse.de>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
Kees Cook <kees@kernel.org>
Subject: [kees:for-next/hardening 3/4] include/linux/thread_info.h:224:26: error: expected parameter declarator
Date: Wed, 12 Feb 2025 04:46:21 +0800 [thread overview]
Message-ID: <202502120459.8eOCkWHn-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git for-next/hardening
head: b6518de35d6fbca63d88dbc7e5059924cc82afdb
commit: 3d22200404765145fbbe2a0b5189c0a8f83dab29 [3/4] mm: security: Check early if HARDENED_USERCOPY is enabled
config: hexagon-randconfig-002-20250212 (https://download.01.org/0day-ci/archive/20250212/202502120459.8eOCkWHn-lkp@intel.com/config)
compiler: clang version 21.0.0git (https://github.com/llvm/llvm-project 6807164500e9920638e2ab0cdb4bf8321d24f8eb)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250212/202502120459.8eOCkWHn-lkp@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202502120459.8eOCkWHn-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from arch/hexagon/kernel/asm-offsets.c:12:
In file included from include/linux/compat.h:14:
In file included from include/linux/sem.h:5:
In file included from include/uapi/linux/sem.h:5:
In file included from include/linux/ipc.h:7:
In file included from include/linux/rhashtable-types.h:12:
In file included from include/linux/alloc_tag.h:11:
In file included from include/linux/preempt.h:79:
In file included from ./arch/hexagon/include/generated/asm/preempt.h:1:
In file included from include/asm-generic/preempt.h:5:
>> include/linux/thread_info.h:224:26: error: expected parameter declarator
224 | DECLARE_STATIC_KEY_MAYBE(CONFIG_HARDENED_USERCOPY_DEFAULT_ON,
| ^
./include/generated/autoconf.h:3305:45: note: expanded from macro 'CONFIG_HARDENED_USERCOPY_DEFAULT_ON'
3305 | #define CONFIG_HARDENED_USERCOPY_DEFAULT_ON 1
| ^
In file included from arch/hexagon/kernel/asm-offsets.c:12:
In file included from include/linux/compat.h:14:
In file included from include/linux/sem.h:5:
In file included from include/uapi/linux/sem.h:5:
In file included from include/linux/ipc.h:7:
In file included from include/linux/rhashtable-types.h:12:
In file included from include/linux/alloc_tag.h:11:
In file included from include/linux/preempt.h:79:
In file included from ./arch/hexagon/include/generated/asm/preempt.h:1:
In file included from include/asm-generic/preempt.h:5:
>> include/linux/thread_info.h:224:26: error: expected ')'
./include/generated/autoconf.h:3305:45: note: expanded from macro 'CONFIG_HARDENED_USERCOPY_DEFAULT_ON'
3305 | #define CONFIG_HARDENED_USERCOPY_DEFAULT_ON 1
| ^
include/linux/thread_info.h:224:25: note: to match this '('
224 | DECLARE_STATIC_KEY_MAYBE(CONFIG_HARDENED_USERCOPY_DEFAULT_ON,
| ^
>> include/linux/thread_info.h:224:1: error: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
224 | DECLARE_STATIC_KEY_MAYBE(CONFIG_HARDENED_USERCOPY_DEFAULT_ON,
| ^
| int
>> include/linux/thread_info.h:224:25: error: a function declaration without a prototype is deprecated in all versions of C [-Werror,-Wstrict-prototypes]
224 | DECLARE_STATIC_KEY_MAYBE(CONFIG_HARDENED_USERCOPY_DEFAULT_ON,
| ^
225 | validate_usercopy_range);
|
| void
>> include/linux/thread_info.h:231:6: error: call to undeclared function 'static_branch_maybe'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
231 | static_branch_maybe(CONFIG_HARDENED_USERCOPY_DEFAULT_ON,
| ^
>> include/linux/thread_info.h:232:6: error: use of undeclared identifier 'validate_usercopy_range'
232 | &validate_usercopy_range)) {
| ^
In file included from arch/hexagon/kernel/asm-offsets.c:12:
In file included from include/linux/compat.h:17:
In file included from include/linux/fs.h:33:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:98:11: warning: array index 3 is past the end of the array (that has type 'unsigned long[2]') [-Warray-bounds]
98 | return (set->sig[3] | set->sig[2] |
| ^ ~
include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here
62 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/hexagon/kernel/asm-offsets.c:12:
In file included from include/linux/compat.h:17:
In file included from include/linux/fs.h:33:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:98:25: warning: array index 2 is past the end of the array (that has type 'unsigned long[2]') [-Warray-bounds]
98 | return (set->sig[3] | set->sig[2] |
| ^ ~
include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here
62 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/hexagon/kernel/asm-offsets.c:12:
In file included from include/linux/compat.h:17:
In file included from include/linux/fs.h:33:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:114:11: warning: array index 3 is past the end of the array (that has type 'const unsigned long[2]') [-Warray-bounds]
114 | return (set1->sig[3] == set2->sig[3]) &&
| ^ ~
include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here
62 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/hexagon/kernel/asm-offsets.c:12:
In file included from include/linux/compat.h:17:
In file included from include/linux/fs.h:33:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:114:27: warning: array index 3 is past the end of the array (that has type 'const unsigned long[2]') [-Warray-bounds]
114 | return (set1->sig[3] == set2->sig[3]) &&
| ^ ~
include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here
62 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/hexagon/kernel/asm-offsets.c:12:
In file included from include/linux/compat.h:17:
In file included from include/linux/fs.h:33:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:115:5: warning: array index 2 is past the end of the array (that has type 'const unsigned long[2]') [-Warray-bounds]
115 | (set1->sig[2] == set2->sig[2]) &&
| ^ ~
include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here
62 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/hexagon/kernel/asm-offsets.c:12:
In file included from include/linux/compat.h:17:
In file included from include/linux/fs.h:33:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:115:21: warning: array index 2 is past the end of the array (that has type 'const unsigned long[2]') [-Warray-bounds]
115 | (set1->sig[2] == set2->sig[2]) &&
| ^ ~
include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here
62 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/hexagon/kernel/asm-offsets.c:12:
In file included from include/linux/compat.h:17:
In file included from include/linux/fs.h:33:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:157:1: warning: array index 3 is past the end of the array (that has type 'const unsigned long[2]') [-Warray-bounds]
157 | _SIG_SET_BINOP(sigorsets, _sig_or)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/signal.h:138:8: note: expanded from macro '_SIG_SET_BINOP'
138 | a3 = a->sig[3]; a2 = a->sig[2]; \
| ^ ~
include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here
62 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/hexagon/kernel/asm-offsets.c:12:
In file included from include/linux/compat.h:17:
In file included from include/linux/fs.h:33:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:157:1: warning: array index 2 is past the end of the array (that has type 'const unsigned long[2]') [-Warray-bounds]
157 | _SIG_SET_BINOP(sigorsets, _sig_or)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/signal.h:138:24: note: expanded from macro '_SIG_SET_BINOP'
138 | a3 = a->sig[3]; a2 = a->sig[2]; \
vim +224 include/linux/thread_info.h
219
220 #ifdef CONFIG_HARDENED_USERCOPY
221 extern void __check_object_size(const void *ptr, unsigned long n,
222 bool to_user);
223
> 224 DECLARE_STATIC_KEY_MAYBE(CONFIG_HARDENED_USERCOPY_DEFAULT_ON,
225 validate_usercopy_range);
226
227 static __always_inline void check_object_size(const void *ptr, unsigned long n,
228 bool to_user)
229 {
230 if (!__builtin_constant_p(n) &&
> 231 static_branch_maybe(CONFIG_HARDENED_USERCOPY_DEFAULT_ON,
> 232 &validate_usercopy_range)) {
233 __check_object_size(ptr, n, to_user);
234 }
235 }
236 #else
237 static inline void check_object_size(const void *ptr, unsigned long n,
238 bool to_user)
239 { }
240 #endif /* CONFIG_HARDENED_USERCOPY */
241
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2025-02-11 20:47 UTC|newest]
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