[linux-next:master 2557/3192] pkey_sighandler_tests.c:166:2: warning: indirection of non-volatile null pointer will be deleted, not trap

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   4176cf5c5651c33769de83bb61b0287f4ec7719f
commit: 47f8fcd254f1a994c8ed16dcb7b6bf905c0af434 [2557/3192] selftests/mm: fix -Warray-bounds warnings in pkey_sighandler_tests
compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241214/202412140850.4TW4YBqc-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202412140850.4TW4YBqc-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

   pkey_sighandler_tests.c:46:15: warning: duplicate 'inline' declaration specifier [-Wduplicate-decl-specifier]
      46 | static inline __always_inline
         |               ^
   /usr/include/sys/cdefs.h:426:26: note: expanded from macro '__always_inline'
     426 | # define __always_inline __inline __attribute__ ((__always_inline__))
         |                          ^
>> pkey_sighandler_tests.c:166:2: warning: indirection of non-volatile null pointer will be deleted, not trap [-Wnull-dereference]
     166 |         *(int *)NULL = 1;
         |         ^~~~~~~~~~~~
   pkey_sighandler_tests.c:166:2: note: consider using __builtin_trap() or qualifying pointer with 'volatile'
   pkey_sighandler_tests.c:197:2: warning: indirection of non-volatile null pointer will be deleted, not trap [-Wnull-dereference]
     197 |         *(int *)NULL = 1;
         |         ^~~~~~~~~~~~
   pkey_sighandler_tests.c:197:2: note: consider using __builtin_trap() or qualifying pointer with 'volatile'
   3 warnings generated.

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki




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