tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 6a98543755cf2f636ae3169f3774d226d328d2cf commit: 3a3a1f75d885bc1d1a25bb753dd2cf9111c457f7 [18952/22827] shmem: Introduce shmem reliable config: arm64-randconfig-r123-20240607 (https://download.01.org/0day-ci/archive/20240609/202406090739.J3hAY6q8-lkp@i...) compiler: aarch64-linux-gcc (GCC) 13.2.0 reproduce: (https://download.01.org/0day-ci/archive/20240609/202406090739.J3hAY6q8-lkp@i...)

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/202406090739.J3hAY6q8-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)

...

mm/shmem.c:1601:19: sparse: sparse: invalid assignment: |=

mm/shmem.c:1601:19: sparse: left side has type restricted gfp_t mm/shmem.c:1601:19: sparse: right side has type unsigned int mm/shmem.c: note: in included file (through include/linux/percpu_counter.h, include/linux/quota.h, include/linux/fs.h): include/linux/gfp.h:457:34: sparse: sparse: restricted gfp_t degrades to integer mm/shmem.c: In function 'shmem_fh_to_dentry': mm/shmem.c:3403:24: warning: array subscript 2 is outside array bounds of '__u32[0]' {aka 'unsigned int[]'} [-Warray-bounds=] 3403 | inum = fid->raw[2]; | ~~~~~~~~^~~ In file included from mm/shmem.c:53: include/linux/exportfs.h:129:23: note: while referencing 'raw' 129 | __u32 raw[0]; | ^~~ mm/shmem.c:3404:39: warning: array subscript 1 is outside array bounds of '__u32[0]' {aka 'unsigned int[]'} [-Warray-bounds=] 3404 | inum = (inum << 32) | fid->raw[1]; | ~~~~~~~~^~~ include/linux/exportfs.h:129:23: note: while referencing 'raw' 129 | __u32 raw[0]; | ^~~ mm/shmem.c:3406:61: warning: array subscript 0 is outside array bounds of '__u32[0]' {aka 'unsigned int[]'} [-Warray-bounds=] 3406 | inode = ilookup5(sb, (unsigned long)(inum + fid->raw[0]), | ~~~~~~~~^~~ include/linux/exportfs.h:129:23: note: while referencing 'raw' 129 | __u32 raw[0]; | ^~~

vim +1601 mm/shmem.c

1595 1596 static inline void shmem_prepare_alloc(gfp_t *gfp_mask) 1597 { 1598 if (!shmem_reliable_is_enabled()) 1599 return; 1600

1601 *gfp_mask |= ___GFP_RELIABILITY;

1602 } 1603