[integrity:next-integrity-testing 4/9] security/integrity/ima/ima_template_lib.c:571:28: sparse: sparse: incorrect type in assignment (different base types)

[kernel test robot <lkp@intel.com>]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity.git next-integrity-testing
head:   d721c15fd519c08819fbc6de39b713e2ed1d9894
commit: 7dcfeacc5a9d0c130160b86de23279793a8732c8 [4/9] ima: Define new template fields iuid and igid
config: nios2-randconfig-s031-20210604 (attached as .config)
compiler: nios2-linux-gcc (GCC) 9.3.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.3-341-g8af24329-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity.git/commit/?id=7dcfeacc5a9d0c130160b86de23279793a8732c8
        git remote add integrity https://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity.git
        git fetch --no-tags integrity next-integrity-testing
        git checkout 7dcfeacc5a9d0c130160b86de23279793a8732c8
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' W=1 ARCH=nios2 

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


sparse warnings: (new ones prefixed by >>)
   security/integrity/ima/ima_template_lib.c:100:44: sparse: sparse: cast to restricted __le16
   security/integrity/ima/ima_template_lib.c:107:44: sparse: sparse: cast to restricted __le32
   security/integrity/ima/ima_template_lib.c:114:44: sparse: sparse: cast to restricted __le64
   security/integrity/ima/ima_template_lib.c:135:60: sparse: sparse: restricted __le32 degrades to integer
   security/integrity/ima/ima_template_lib.c:230:49: sparse: sparse: cast to restricted __le32
>> security/integrity/ima/ima_template_lib.c:571:28: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned int [assigned] id @@     got restricted __le16 [usertype] @@
   security/integrity/ima/ima_template_lib.c:571:28: sparse:     expected unsigned int [assigned] id
   security/integrity/ima/ima_template_lib.c:571:28: sparse:     got restricted __le16 [usertype]
>> security/integrity/ima/ima_template_lib.c:573:28: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned int [assigned] id @@     got restricted __le32 [usertype] @@
   security/integrity/ima/ima_template_lib.c:573:28: sparse:     expected unsigned int [assigned] id
   security/integrity/ima/ima_template_lib.c:573:28: sparse:     got restricted __le32 [usertype]

vim +571 security/integrity/ima/ima_template_lib.c

   554	
   555	static int ima_eventinodedac_init_common(struct ima_event_data *event_data,
   556						 struct ima_field_data *field_data,
   557						 bool get_uid)
   558	{
   559		unsigned int id;
   560	
   561		if (!event_data->file)
   562			return 0;
   563	
   564		if (get_uid)
   565			id = i_uid_read(file_inode(event_data->file));
   566		else
   567			id = i_gid_read(file_inode(event_data->file));
   568	
   569		if (ima_canonical_fmt) {
   570			if (sizeof(id) == sizeof(u16))
 > 571				id = cpu_to_le16(id);
   572			else
 > 573				id = cpu_to_le32(id);
   574		}
   575	
   576		return ima_write_template_field_data((void *)&id, sizeof(id),
   577						     DATA_FMT_UINT, field_data);
   578	}
   579	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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