[viro-vfs:work.filename 16/59] fs/namei.c:142:16: sparse: sparse: cast truncates bits from constant value (123456789abcdef becomes 89abcdef)

[viro-vfs:work.filename 16/59] fs/namei.c:142:16: sparse: sparse: cast truncates bits from constant value (123456789abcdef becomes 89abcdef)

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs.git work.filename
head:   dad7ddf7689b35e27b947f9deca9c45358112bc6
commit: dd79605ddd3640c827a3906605ad0083106bebeb [16/59] fs: hide names_cache behind runtime const machinery
config: i386-randconfig-061-20251218 (https://download.01.org/0day-ci/archive/20251221/202512210317.xkXbWT00-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251221/202512210317.xkXbWT00-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/202512210317.xkXbWT00-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> fs/namei.c:142:16: sparse: sparse: cast truncates bits from constant value (123456789abcdef becomes 89abcdef)
>> fs/namei.c:142:16: sparse: sparse: cast truncates bits from constant value (123456789abcdef becomes 89abcdef)
   fs/namei.c:147:25: sparse: sparse: cast truncates bits from constant value (123456789abcdef becomes 89abcdef)
   fs/namei.c: note: in included file (through include/linux/rbtree.h, include/linux/mm_types.h, include/linux/mmzone.h, ...):
   include/linux/rcupdate.h:897:25: sparse: sparse: context imbalance in 'leave_rcu' - unexpected unlock
   fs/namei.c:2608:19: sparse: sparse: context imbalance in 'path_init' - different lock contexts for basic block

vim +142 fs/namei.c

   139	
   140	static inline struct filename *alloc_filename(void)
   141	{
 > 142		return kmem_cache_alloc(names_cache, GFP_KERNEL);
   143	}
   144	

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