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    Subjectarch/s390/boot/compressed/../../../../lib/xz/xz_dec_stream.c:393:28: sparse: sparse: incorrect type in argument 1 (different base types)
    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@intel.com>


    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@tukaani.org>
    :::::: CC: Linus Torvalds <torvalds@linux-foundation.org>

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