CC: [email protected] CC: "Darrick J. Wong" <[email protected]> CC: [email protected] TO: "Darrick J. Wong" <[email protected]>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux.git xfs-5.15-merge-next head: f63862d45f0c08bf8e32883decfacd2150c74a1b commit: 7f47a994841800acc1f0d7a9c897065e2c4d86ac [39/58] xfs: don't crash with assfail :::::: branch date: 27 hours ago :::::: commit date: 35 hours ago config: riscv-randconfig-s032-20210812 (attached as .config) compiler: riscv32-linux-gcc (GCC) 10.3.0 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: v0.6.3-348-gf0e6938b-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux.git/commit/?id=7f47a994841800acc1f0d7a9c897065e2c4d86ac git remote add djwong-xfs https://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux.git git fetch --no-tags djwong-xfs xfs-5.15-merge-next git checkout 7f47a994841800acc1f0d7a9c897065e2c4d86ac # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=riscv If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> All errors (new ones prefixed by >>): In file included from include/linux/string.h:262, from include/linux/uuid.h:12, from fs/xfs/xfs_linux.h:10, from fs/xfs/xfs.h:22, from fs/xfs/xfs_xattr.c:7: In function 'strncpy', inlined from '__xfs_xattr_put_listent' at fs/xfs/xfs_xattr.c:121:2, inlined from 'xfs_xattr_put_listent' at fs/xfs/xfs_xattr.c:183:2: >> include/linux/fortify-string.h:27:30: error: '__builtin_strncpy' output may >> be truncated copying between 5 and 9 bytes from a string of length 9 >> [-Werror=stringop-truncation] 27 | #define __underlying_strncpy __builtin_strncpy | ^ include/linux/fortify-string.h:38:9: note: in expansion of macro '__underlying_strncpy' 38 | return __underlying_strncpy(p, q, size); | ^~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors vim +/__builtin_strncpy +27 include/linux/fortify-string.h a28a6e860c6cf2 Francis Laniel 2021-02-25 4 a28a6e860c6cf2 Francis Laniel 2021-02-25 5 a28a6e860c6cf2 Francis Laniel 2021-02-25 6 #if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS) a28a6e860c6cf2 Francis Laniel 2021-02-25 7 extern void *__underlying_memchr(const void *p, int c, __kernel_size_t size) __RENAME(memchr); a28a6e860c6cf2 Francis Laniel 2021-02-25 8 extern int __underlying_memcmp(const void *p, const void *q, __kernel_size_t size) __RENAME(memcmp); a28a6e860c6cf2 Francis Laniel 2021-02-25 9 extern void *__underlying_memcpy(void *p, const void *q, __kernel_size_t size) __RENAME(memcpy); a28a6e860c6cf2 Francis Laniel 2021-02-25 10 extern void *__underlying_memmove(void *p, const void *q, __kernel_size_t size) __RENAME(memmove); a28a6e860c6cf2 Francis Laniel 2021-02-25 11 extern void *__underlying_memset(void *p, int c, __kernel_size_t size) __RENAME(memset); a28a6e860c6cf2 Francis Laniel 2021-02-25 12 extern char *__underlying_strcat(char *p, const char *q) __RENAME(strcat); a28a6e860c6cf2 Francis Laniel 2021-02-25 13 extern char *__underlying_strcpy(char *p, const char *q) __RENAME(strcpy); a28a6e860c6cf2 Francis Laniel 2021-02-25 14 extern __kernel_size_t __underlying_strlen(const char *p) __RENAME(strlen); a28a6e860c6cf2 Francis Laniel 2021-02-25 15 extern char *__underlying_strncat(char *p, const char *q, __kernel_size_t count) __RENAME(strncat); a28a6e860c6cf2 Francis Laniel 2021-02-25 16 extern char *__underlying_strncpy(char *p, const char *q, __kernel_size_t size) __RENAME(strncpy); a28a6e860c6cf2 Francis Laniel 2021-02-25 17 #else a28a6e860c6cf2 Francis Laniel 2021-02-25 18 #define __underlying_memchr __builtin_memchr a28a6e860c6cf2 Francis Laniel 2021-02-25 19 #define __underlying_memcmp __builtin_memcmp a28a6e860c6cf2 Francis Laniel 2021-02-25 20 #define __underlying_memcpy __builtin_memcpy a28a6e860c6cf2 Francis Laniel 2021-02-25 21 #define __underlying_memmove __builtin_memmove a28a6e860c6cf2 Francis Laniel 2021-02-25 22 #define __underlying_memset __builtin_memset a28a6e860c6cf2 Francis Laniel 2021-02-25 23 #define __underlying_strcat __builtin_strcat a28a6e860c6cf2 Francis Laniel 2021-02-25 24 #define __underlying_strcpy __builtin_strcpy a28a6e860c6cf2 Francis Laniel 2021-02-25 25 #define __underlying_strlen __builtin_strlen a28a6e860c6cf2 Francis Laniel 2021-02-25 26 #define __underlying_strncat __builtin_strncat a28a6e860c6cf2 Francis Laniel 2021-02-25 @27 #define __underlying_strncpy __builtin_strncpy a28a6e860c6cf2 Francis Laniel 2021-02-25 28 #endif a28a6e860c6cf2 Francis Laniel 2021-02-25 29 :::::: The code at line 27 was first introduced by commit :::::: a28a6e860c6cf231cf3c5171c75c342adcd00406 string.h: move fortified functions definitions in a dedicated header. :::::: TO: Francis Laniel <[email protected]> :::::: CC: Linus Torvalds <[email protected]> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected]
.config.gz
Description: application/gzip
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