Hi Andrey,

kernel test robot noticed the following build warnings:

[auto build test WARNING on brauner-vfs/vfs.all]
[also build test WARNING on geert-m68k/for-next powerpc/next powerpc/fixes 
s390/features linus/master v6.13-rc6 next-20250110]
[cannot apply to geert-m68k/for-linus deller-parisc/for-next 
jcmvbkbc-xtensa/xtensa-for-next arnd-asm-generic/master tip/x86/asm]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    
https://github.com/intel-lab-lkp/linux/commits/Andrey-Albershteyn/fs-introduce-getfsxattrat-and-setfsxattrat-syscalls/20250110-014739
base:   https://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git vfs.all
patch link:    
https://lore.kernel.org/r/20250109174540.893098-1-aalbersh%40kernel.org
patch subject: [PATCH] fs: introduce getfsxattrat and setfsxattrat syscalls
config: s390-randconfig-r133-20250111 
(https://download.01.org/0day-ci/archive/20250111/202501112305.epqr5jnx-...@intel.com/config)
compiler: s390-linux-gcc (GCC) 14.2.0
reproduce: 
(https://download.01.org/0day-ci/archive/20250111/202501112305.epqr5jnx-...@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 <l...@intel.com>
| Closes: 
https://lore.kernel.org/oe-kbuild-all/202501112305.epqr5jnx-...@intel.com/

sparse warnings: (new ones prefixed by >>)
   fs/inode.c:605:28: sparse: sparse: context imbalance in 
'inode_wait_for_lru_isolating' - unexpected unlock
   fs/inode.c: note: in included file (through include/linux/wait.h, 
include/linux/wait_bit.h, include/linux/fs.h):
   include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates 
to true
   include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates 
to true
   include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates 
to true
   fs/inode.c:999:28: sparse: sparse: context imbalance in 'inode_lru_isolate' 
- unexpected unlock
   fs/inode.c:1058:9: sparse: sparse: context imbalance in 'find_inode' - 
different lock contexts for basic block
   fs/inode.c:1099:9: sparse: sparse: context imbalance in 'find_inode_fast' - 
different lock contexts for basic block
   fs/inode.c:1829:5: sparse: sparse: context imbalance in 
'insert_inode_locked' - wrong count at exit
   fs/inode.c:1947:20: sparse: sparse: context imbalance in 'iput_final' - 
unexpected unlock
   fs/inode.c:1961:6: sparse: sparse: context imbalance in 'iput' - wrong count 
at exit
   fs/inode.c:2494:17: sparse: sparse: context imbalance in 
'__wait_on_freeing_inode' - unexpected unlock
>> fs/inode.c:2960:1: sparse: sparse: Using plain integer as NULL pointer
>> fs/inode.c:2960:1: sparse: sparse: Using plain integer as NULL pointer
>> fs/inode.c:2960:1: sparse: sparse: Using plain integer as NULL pointer
>> fs/inode.c:2960:1: sparse: sparse: Using plain integer as NULL pointer
   fs/inode.c:2998:39: sparse: sparse: incorrect type in argument 2 (different 
address spaces) @@     expected struct fsxattr [noderef] __user *ufa @@     got 
struct fsxattr *fsx @@
   fs/inode.c:2998:39: sparse:     expected struct fsxattr [noderef] __user *ufa
   fs/inode.c:2998:39: sparse:     got struct fsxattr *fsx
   fs/inode.c:2998:39: sparse: sparse: incorrect type in argument 2 (different 
address spaces) @@     expected struct fsxattr [noderef] __user *ufa @@     got 
struct fsxattr *fsx @@
   fs/inode.c:2998:39: sparse:     expected struct fsxattr [noderef] __user *ufa
   fs/inode.c:2998:39: sparse:     got struct fsxattr *fsx
   fs/inode.c:3008:1: sparse: sparse: Using plain integer as NULL pointer
   fs/inode.c:3008:1: sparse: sparse: Using plain integer as NULL pointer
   fs/inode.c:3008:1: sparse: sparse: Using plain integer as NULL pointer
   fs/inode.c:3008:1: sparse: sparse: Using plain integer as NULL pointer
   fs/inode.c:3032:41: sparse: sparse: incorrect type in argument 2 (different 
address spaces) @@     expected struct fsxattr [noderef] __user *ufa @@     got 
struct fsxattr *fsx @@
   fs/inode.c:3032:41: sparse:     expected struct fsxattr [noderef] __user *ufa
   fs/inode.c:3032:41: sparse:     got struct fsxattr *fsx
   fs/inode.c:3032:41: sparse: sparse: incorrect type in argument 2 (different 
address spaces) @@     expected struct fsxattr [noderef] __user *ufa @@     got 
struct fsxattr *fsx @@
   fs/inode.c:3032:41: sparse:     expected struct fsxattr [noderef] __user *ufa
   fs/inode.c:3032:41: sparse:     got struct fsxattr *fsx

vim +2960 fs/inode.c

  2959  
> 2960  SYSCALL_DEFINE4(getfsxattrat, int, dfd, const char __user *, filename,
  2961                  struct fsxattr *, fsx, int, at_flags)
  2962  {
  2963          struct fd dir;
  2964          struct fileattr fa;
  2965          struct path filepath;
  2966          struct inode *inode;
  2967          int error;
  2968  
  2969          if (at_flags)
  2970                  return -EINVAL;
  2971  
  2972          if (!capable(CAP_FOWNER))
  2973                  return -EPERM;
  2974  
  2975          dir = fdget(dfd);
  2976          if (!fd_file(dir))
  2977                  return -EBADF;
  2978  
  2979          if (!S_ISDIR(file_inode(fd_file(dir))->i_mode)) {
  2980                  error = -EBADF;
  2981                  goto out;
  2982          }
  2983  
  2984          error = user_path_at(dfd, filename, at_flags, &filepath);
  2985          if (error)
  2986                  goto out;
  2987  
  2988          inode = filepath.dentry->d_inode;
  2989          if (file_inode(fd_file(dir))->i_sb->s_magic != 
inode->i_sb->s_magic) {
  2990                  error = -EBADF;
  2991                  goto out_path;
  2992          }
  2993  
  2994          error = vfs_fileattr_get(filepath.dentry, &fa);
  2995          if (error)
  2996                  goto out_path;
  2997  
  2998          if (copy_fsxattr_to_user(&fa, fsx))
  2999                  error = -EFAULT;
  3000  
  3001  out_path:
  3002          path_put(&filepath);
  3003  out:
  3004          fdput(dir);
  3005          return error;
  3006  }
  3007  

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