tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 53e99dcff61e1523ec1c3628b2d564ba15d32eb7 commit: edd4a8667355607345b76d5652adc0f300a28970 s390/boot: get rid of startup archive date: 4 months ago config: s390-randconfig-s041-20220906 compiler: s390-linux-gcc (GCC) 12.1.0 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: v0.6.4-39-gce1a6720-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=edd4a8667355607345b76d5652adc0f300a28970 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout edd4a8667355607345b76d5652adc0f300a28970 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=s390 SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot sparse warnings: (new ones prefixed by >>) arch/s390/boot/decompressor.c: note: in included file (through arch/s390/include/uapi/../../../../lib/decompress_unxz.c): >> arch/s390/include/uapi/../../../../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/include/uapi/../../../../lib/xz/xz_dec_stream.c:393:28: sparse: expected restricted __le32 const [usertype] *p arch/s390/include/uapi/../../../../lib/xz/xz_dec_stream.c:393:28: sparse: got unsigned int const [usertype] * arch/s390/include/uapi/../../../../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/include/uapi/../../../../lib/xz/xz_dec_stream.c:427:48: sparse: expected restricted __le32 const [usertype] *p arch/s390/include/uapi/../../../../lib/xz/xz_dec_stream.c:427:48: sparse: got unsigned int const [usertype] * arch/s390/include/uapi/../../../../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/include/uapi/../../../../lib/xz/xz_dec_stream.c:435:37: sparse: expected restricted __le32 const [usertype] *p arch/s390/include/uapi/../../../../lib/xz/xz_dec_stream.c:435:37: sparse: got unsigned int const [usertype] * arch/s390/include/uapi/../../../../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/include/uapi/../../../../lib/xz/xz_dec_stream.c:459:28: sparse: expected restricted __le32 const [usertype] *p arch/s390/include/uapi/../../../../lib/xz/xz_dec_stream.c:459:28: sparse: got unsigned int const [usertype] * vim +393 arch/s390/include/uapi/../../../../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 */ 4f8d7abaa413c3 Lasse Collin 2021-10-11 405 if (s->temp.buf[HEADER_MAGIC_SIZE + 1] > XZ_CHECK_MAX) 4f8d7abaa413c3 Lasse Collin 2021-10-11 406 return XZ_OPTIONS_ERROR; 4f8d7abaa413c3 Lasse Collin 2021-10-11 407 24fa0402a9b6a5 Lasse Collin 2011-01-12 408 s->check_type = s->temp.buf[HEADER_MAGIC_SIZE + 1]; 24fa0402a9b6a5 Lasse Collin 2011-01-12 409 :::::: The code at line 393 was first introduced by commit :::::: 24fa0402a9b6a537e87e38341e78b7da86486846 decompressors: add XZ decompressor module :::::: TO: Lasse Collin :::::: CC: Linus Torvalds -- 0-DAY CI Kernel Test Service https://01.org/lkp