arch/s390/boot/compressed/../../../../lib/xz/xz_dec_stream.c:393:28: sparse: sparse: incorrect type in argument 1 (different base types)

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   a602285ac11b019e9ce7c3907328e9f95f4967f0
commit: ef019c5daf032dce0b95ed4d45bfec93c4fbcb9f PHY: Ingenic: fix unconditional build of phy-ingenic-usb
date:   10 months ago
config: s390-randconfig-s032-20211103 (attached as .config)
compiler: s390-linux-gcc (GCC) 11.2.0
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: v0.6.4-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ef019c5daf032dce0b95ed4d45bfec93c4fbcb9f
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout ef019c5daf032dce0b95ed4d45bfec93c4fbcb9f
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=s390 

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


sparse warnings: (new ones prefixed by >>)
   arch/s390/boot/compressed/decompressor.c: note: in included file (through arch/s390/boot/compressed/../../../../lib/decompress_unxz.c):
>> arch/s390/boot/compressed/../../../../lib/xz/xz_dec_stream.c:393:28: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected restricted __le32 const [usertype] *p @@     got unsigned int const [usertype] * @@
   arch/s390/boot/compressed/../../../../lib/xz/xz_dec_stream.c:393:28: sparse:     expected restricted __le32 const [usertype] *p
   arch/s390/boot/compressed/../../../../lib/xz/xz_dec_stream.c:393:28: sparse:     got unsigned int const [usertype] *
   arch/s390/boot/compressed/../../../../lib/xz/xz_dec_stream.c:427:48: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected restricted __le32 const [usertype] *p @@     got unsigned int const [usertype] * @@
   arch/s390/boot/compressed/../../../../lib/xz/xz_dec_stream.c:427:48: sparse:     expected restricted __le32 const [usertype] *p
   arch/s390/boot/compressed/../../../../lib/xz/xz_dec_stream.c:427:48: sparse:     got unsigned int const [usertype] *
   arch/s390/boot/compressed/../../../../lib/xz/xz_dec_stream.c:435:37: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected restricted __le32 const [usertype] *p @@     got unsigned int const [usertype] * @@
   arch/s390/boot/compressed/../../../../lib/xz/xz_dec_stream.c:435:37: sparse:     expected restricted __le32 const [usertype] *p
   arch/s390/boot/compressed/../../../../lib/xz/xz_dec_stream.c:435:37: sparse:     got unsigned int const [usertype] *
   arch/s390/boot/compressed/../../../../lib/xz/xz_dec_stream.c:459:28: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected restricted __le32 const [usertype] *p @@     got unsigned int const [usertype] * @@
   arch/s390/boot/compressed/../../../../lib/xz/xz_dec_stream.c:459:28: sparse:     expected restricted __le32 const [usertype] *p
   arch/s390/boot/compressed/../../../../lib/xz/xz_dec_stream.c:459:28: sparse:     got unsigned int const [usertype] *

vim +393 arch/s390/boot/compressed/../../../../lib/xz/xz_dec_stream.c

24fa0402a9b6a5 Lasse Collin 2011-01-12  385  
24fa0402a9b6a5 Lasse Collin 2011-01-12  386  /* Decode the Stream Header field (the first 12 bytes of the .xz Stream). */
24fa0402a9b6a5 Lasse Collin 2011-01-12  387  static enum xz_ret dec_stream_header(struct xz_dec *s)
24fa0402a9b6a5 Lasse Collin 2011-01-12  388  {
24fa0402a9b6a5 Lasse Collin 2011-01-12  389  	if (!memeq(s->temp.buf, HEADER_MAGIC, HEADER_MAGIC_SIZE))
24fa0402a9b6a5 Lasse Collin 2011-01-12  390  		return XZ_FORMAT_ERROR;
24fa0402a9b6a5 Lasse Collin 2011-01-12  391  
24fa0402a9b6a5 Lasse Collin 2011-01-12  392  	if (xz_crc32(s->temp.buf + HEADER_MAGIC_SIZE, 2, 0)
24fa0402a9b6a5 Lasse Collin 2011-01-12 @393  			!= get_le32(s->temp.buf + HEADER_MAGIC_SIZE + 2))
24fa0402a9b6a5 Lasse Collin 2011-01-12  394  		return XZ_DATA_ERROR;
24fa0402a9b6a5 Lasse Collin 2011-01-12  395  
24fa0402a9b6a5 Lasse Collin 2011-01-12  396  	if (s->temp.buf[HEADER_MAGIC_SIZE] != 0)
24fa0402a9b6a5 Lasse Collin 2011-01-12  397  		return XZ_OPTIONS_ERROR;
24fa0402a9b6a5 Lasse Collin 2011-01-12  398  
24fa0402a9b6a5 Lasse Collin 2011-01-12  399  	/*
24fa0402a9b6a5 Lasse Collin 2011-01-12  400  	 * Of integrity checks, we support only none (Check ID = 0) and
24fa0402a9b6a5 Lasse Collin 2011-01-12  401  	 * CRC32 (Check ID = 1). However, if XZ_DEC_ANY_CHECK is defined,
24fa0402a9b6a5 Lasse Collin 2011-01-12  402  	 * we will accept other check types too, but then the check won't
24fa0402a9b6a5 Lasse Collin 2011-01-12  403  	 * be verified and a warning (XZ_UNSUPPORTED_CHECK) will be given.
24fa0402a9b6a5 Lasse Collin 2011-01-12  404  	 */
24fa0402a9b6a5 Lasse Collin 2011-01-12  405  	s->check_type = s->temp.buf[HEADER_MAGIC_SIZE + 1];
24fa0402a9b6a5 Lasse Collin 2011-01-12  406  

:::::: The code at line 393 was first introduced by commit
:::::: 24fa0402a9b6a537e87e38341e78b7da86486846 decompressors: add XZ decompressor module

:::::: TO: Lasse Collin <lasse.collin@xxxxxxxxxxx>
:::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>

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

Attachment: .config.gz
Description: application/gzip