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Date: Tue, 31 Aug 2021 09:22:34 +0800
From: kernel test robot <lkp@...el.com>
To: Alexander Lobakin <alobakin@...me>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
Vinod Koul <vkoul@...nel.org>
Subject: arch/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: 8596e589b787732c8346f0482919e83cc9362db1
commit: ef019c5daf032dce0b95ed4d45bfec93c4fbcb9f PHY: Ingenic: fix unconditional build of phy-ingenic-usb
date: 8 months ago
config: s390-randconfig-s031-20210830 (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: v0.6.3-348-gf0e6938b-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@...el.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@...aani.org>
:::::: CC: Linus Torvalds <torvalds@...ux-foundation.org>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
Download attachment ".config.gz" of type "application/gzip" (16649 bytes)
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