tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 9050ba3a61a4b5bd84c2cde092a100404f814f31
commit: 344179fc7ef427910de438affbf3703fed51fe5a ARM: 9106/1: traps: use get_kernel_nofault instead of set_fs()
date: 9 months ago
config: arm-randconfig-s031-20220502 (https://download.01.org/0day-ci/archive/20220503/[email protected]/config)
compiler: arm-linux-gnueabi-gcc (GCC) 11.3.0
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: v0.6.4-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=344179fc7ef427910de438affbf3703fed51fe5a
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 344179fc7ef427910de438affbf3703fed51fe5a
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm SHELL=/bin/bash
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <[email protected]>
sparse warnings: (new ones prefixed by >>)
arch/arm/boot/compressed/decompress.c:50:9: sparse: sparse: preprocessor token memmove redefined
arch/arm/boot/compressed/decompress.c: note: in included file:
arch/arm/include/asm/string.h:59:9: sparse: this was the original definition
arch/arm/boot/compressed/decompress.c:51:9: sparse: sparse: preprocessor token memcpy redefined
arch/arm/include/asm/string.h:58:9: sparse: this was the original definition
arch/arm/boot/compressed/decompress.c: note: in included file (through arch/arm/boot/compressed/../../../../lib/decompress_unxz.c):
include/linux/decompress/mm.h:31:30: sparse: sparse: symbol 'malloc_ptr' was not declared. Should it be static?
include/linux/decompress/mm.h:32:20: sparse: sparse: symbol 'malloc_count' was not declared. Should it be static?
arch/arm/boot/compressed/decompress.c: note: in included file (through arch/arm/boot/compressed/../../../../lib/decompress_unxz.c):
arch/arm/boot/compressed/decompress.c: note: in included file (through arch/arm/boot/compressed/../../../../lib/decompress_unxz.c):
>> arch/arm/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/arm/boot/compressed/../../../../lib/xz/xz_dec_stream.c:393:28: sparse: expected restricted __le32 const [usertype] *p
arch/arm/boot/compressed/../../../../lib/xz/xz_dec_stream.c:393:28: sparse: got unsigned int const [usertype] *
arch/arm/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/arm/boot/compressed/../../../../lib/xz/xz_dec_stream.c:427:48: sparse: expected restricted __le32 const [usertype] *p
arch/arm/boot/compressed/../../../../lib/xz/xz_dec_stream.c:427:48: sparse: got unsigned int const [usertype] *
arch/arm/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/arm/boot/compressed/../../../../lib/xz/xz_dec_stream.c:435:37: sparse: expected restricted __le32 const [usertype] *p
arch/arm/boot/compressed/../../../../lib/xz/xz_dec_stream.c:435:37: sparse: got unsigned int const [usertype] *
arch/arm/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/arm/boot/compressed/../../../../lib/xz/xz_dec_stream.c:459:28: sparse: expected restricted __le32 const [usertype] *p
arch/arm/boot/compressed/../../../../lib/xz/xz_dec_stream.c:459:28: sparse: got unsigned int const [usertype] *
vim +393 arch/arm/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 <[email protected]>
:::::: CC: Linus Torvalds <[email protected]>
--
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