[android-common:android-5.4 1/6] include/uapi/linux/incrementalfs.h:21:28: warning: conversion from 'long long unsigned int' to 'long unsigned int' changes value from '357661101641' to '1178816073'

[android-common:android-5.4 1/6] include/uapi/linux/incrementalfs.h:21:28: warning: conversion from 'long long unsigned int' to 'long unsigned int' changes value from '357661101641' to '1178816073'

[kbuild test robot]

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tree:   https://android.googlesource.com/kernel/common android-5.4
head:   383f53ee186a22c3d04cc6809e3b5e13bc2b571d
commit: 1be052b20ba04b635cf87bcff80de5314697953e [1/6] ANDROID: Initial commit of Incremental FS
config: nds32-allyesconfig (attached as .config)
compiler: nds32le-linux-gcc (GCC) 9.2.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 1be052b20ba04b635cf87bcff80de5314697953e
        # save the attached .config to linux build tree
        GCC_VERSION=9.2.0 make.cross ARCH=nds32 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

   fs/incfs/vfs.c: In function 'ioctl_create_file':
   fs/incfs/vfs.c:1324:4: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
    1324 |    (struct incfs_file_signature_info __user *)
         |    ^
   In file included from fs/incfs/vfs.c:19:
   fs/incfs/vfs.c: In function 'incfs_mount_fs':
>> include/uapi/linux/incrementalfs.h:21:28: warning: conversion from 'long long unsigned int' to 'long unsigned int' changes value from '357661101641' to '1178816073' [-Woverflow]
      21 | #define INCFS_MAGIC_NUMBER (0x5346434e49ul)
         |                            ^
   fs/incfs/vfs.c:2076:16: note: in expansion of macro 'INCFS_MAGIC_NUMBER'
    2076 |  sb->s_magic = INCFS_MAGIC_NUMBER;
         |                ^~~~~~~~~~~~~~~~~~
--
   fs//incfs/vfs.c: In function 'ioctl_create_file':
   fs//incfs/vfs.c:1324:4: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
    1324 |    (struct incfs_file_signature_info __user *)
         |    ^
   In file included from fs//incfs/vfs.c:19:
   fs//incfs/vfs.c: In function 'incfs_mount_fs':
>> include/uapi/linux/incrementalfs.h:21:28: warning: conversion from 'long long unsigned int' to 'long unsigned int' changes value from '357661101641' to '1178816073' [-Woverflow]
      21 | #define INCFS_MAGIC_NUMBER (0x5346434e49ul)
         |                            ^
   fs//incfs/vfs.c:2076:16: note: in expansion of macro 'INCFS_MAGIC_NUMBER'
    2076 |  sb->s_magic = INCFS_MAGIC_NUMBER;
         |                ^~~~~~~~~~~~~~~~~~

vim +21 include/uapi/linux/incrementalfs.h

    18	
    19	/* ===== constants ===== */
    20	#define INCFS_NAME "incremental-fs"
  > 21	#define INCFS_MAGIC_NUMBER (0x5346434e49ul)
    22	#define INCFS_DATA_FILE_BLOCK_SIZE 4096
    23	#define INCFS_HEADER_VER 1
    24	

---
0-DAY kernel test infrastructure                 Open Source Technology Center
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org Intel Corporation

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