Hi SULAIMAN", Thank you for the patch! Perhaps something to improve: [auto build test WARNING on linus/master] [also build test WARNING on v5.14-rc5 next-20210811] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/F-A-SULAIMAN/fix-array-index-out-of-bound-exception/20210811-211453 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 761c6d7ec820f123b931e7b8ef7ec7c8564e450f config: sparc64-randconfig-r026-20210811 (attached as .config) compiler: sparc64-linux-gcc (GCC) 10.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/0day-ci/linux/commit/3c70bc4978e0cb74c7ba5189c093ecccf4564925 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review F-A-SULAIMAN/fix-array-index-out-of-bound-exception/20210811-211453 git checkout 3c70bc4978e0cb74c7ba5189c093ecccf4564925 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross ARCH=sparc64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): In file included from include/linux/swab.h:5, from include/uapi/linux/byteorder/big_endian.h:13, from include/linux/byteorder/big_endian.h:5, from arch/sparc/include/uapi/asm/byteorder.h:5, from arch/sparc/include/asm/bitops_64.h:16, from arch/sparc/include/asm/bitops.h:5, from include/linux/bitops.h:32, from include/linux/kernel.h:12, from include/linux/list.h:9, from include/linux/wait.h:7, from include/linux/wait_bit.h:8, from include/linux/fs.h:6, from fs/udf/udfdecl.h:10, from fs/udf/super.c:41: fs/udf/super.c: In function 'udf_count_free': >> include/uapi/linux/byteorder/big_endian.h:34:50: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 34 | #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x)) | ^ include/uapi/linux/swab.h:118:32: note: in definition of macro '__swab32' 118 | (__builtin_constant_p((__u32)(x)) ? \ | ^ include/linux/byteorder/generic.h:89:21: note: in expansion of macro '__le32_to_cpu' 89 | #define le32_to_cpu __le32_to_cpu | ^~~~~~~~~~~~~ fs/udf/super.c:2524:12: note: in expansion of macro 'le32_to_cpu' 2524 | accum = le32_to_cpu( | ^~~~~~~~~~~ >> include/uapi/linux/byteorder/big_endian.h:34:50: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 34 | #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x)) | ^ include/uapi/linux/swab.h:19:12: note: in definition of macro '___constant_swab32' 19 | (((__u32)(x) & (__u32)0x000000ffUL) << 24) | \ | ^ include/uapi/linux/byteorder/big_endian.h:34:26: note: in expansion of macro '__swab32' 34 | #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x)) | ^~~~~~~~ include/linux/byteorder/generic.h:89:21: note: in expansion of macro '__le32_to_cpu' 89 | #define le32_to_cpu __le32_to_cpu | ^~~~~~~~~~~~~ fs/udf/super.c:2524:12: note: in expansion of macro 'le32_to_cpu' 2524 | accum = le32_to_cpu( | ^~~~~~~~~~~ >> include/uapi/linux/byteorder/big_endian.h:34:50: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 34 | #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x)) | ^ include/uapi/linux/swab.h:20:12: note: in definition of macro '___constant_swab32' 20 | (((__u32)(x) & (__u32)0x0000ff00UL) << 8) | \ | ^ include/uapi/linux/byteorder/big_endian.h:34:26: note: in expansion of macro '__swab32' 34 | #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x)) | ^~~~~~~~ include/linux/byteorder/generic.h:89:21: note: in expansion of macro '__le32_to_cpu' 89 | #define le32_to_cpu __le32_to_cpu | ^~~~~~~~~~~~~ fs/udf/super.c:2524:12: note: in expansion of macro 'le32_to_cpu' 2524 | accum = le32_to_cpu( | ^~~~~~~~~~~ >> include/uapi/linux/byteorder/big_endian.h:34:50: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 34 | #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x)) | ^ include/uapi/linux/swab.h:21:12: note: in definition of macro '___constant_swab32' 21 | (((__u32)(x) & (__u32)0x00ff0000UL) >> 8) | \ | ^ include/uapi/linux/byteorder/big_endian.h:34:26: note: in expansion of macro '__swab32' 34 | #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x)) | ^~~~~~~~ include/linux/byteorder/generic.h:89:21: note: in expansion of macro '__le32_to_cpu' 89 | #define le32_to_cpu __le32_to_cpu | ^~~~~~~~~~~~~ fs/udf/super.c:2524:12: note: in expansion of macro 'le32_to_cpu' 2524 | accum = le32_to_cpu( | ^~~~~~~~~~~ >> include/uapi/linux/byteorder/big_endian.h:34:50: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 34 | #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x)) | ^ include/uapi/linux/swab.h:22:12: note: in definition of macro '___constant_swab32' 22 | (((__u32)(x) & (__u32)0xff000000UL) >> 24))) | ^ include/uapi/linux/byteorder/big_endian.h:34:26: note: in expansion of macro '__swab32' 34 | #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x)) | ^~~~~~~~ include/linux/byteorder/generic.h:89:21: note: in expansion of macro '__le32_to_cpu' 89 | #define le32_to_cpu __le32_to_cpu | ^~~~~~~~~~~~~ fs/udf/super.c:2524:12: note: in expansion of macro 'le32_to_cpu' 2524 | accum = le32_to_cpu( | ^~~~~~~~~~~ >> include/uapi/linux/byteorder/big_endian.h:34:50: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 34 | #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x)) | ^ include/uapi/linux/swab.h:120:12: note: in definition of macro '__swab32' 120 | __fswab32(x)) | ^ include/linux/byteorder/generic.h:89:21: note: in expansion of macro '__le32_to_cpu' 89 | #define le32_to_cpu __le32_to_cpu | ^~~~~~~~~~~~~ fs/udf/super.c:2524:12: note: in expansion of macro 'le32_to_cpu' 2524 | accum = le32_to_cpu( | ^~~~~~~~~~~ vim +34 include/uapi/linux/byteorder/big_endian.h 5921e6f8809b16 David Howells 2012-10-13 14 5921e6f8809b16 David Howells 2012-10-13 15 #define __constant_htonl(x) ((__force __be32)(__u32)(x)) 5921e6f8809b16 David Howells 2012-10-13 16 #define __constant_ntohl(x) ((__force __u32)(__be32)(x)) 5921e6f8809b16 David Howells 2012-10-13 17 #define __constant_htons(x) ((__force __be16)(__u16)(x)) 5921e6f8809b16 David Howells 2012-10-13 18 #define __constant_ntohs(x) ((__force __u16)(__be16)(x)) 5921e6f8809b16 David Howells 2012-10-13 19 #define __constant_cpu_to_le64(x) ((__force __le64)___constant_swab64((x))) 5921e6f8809b16 David Howells 2012-10-13 20 #define __constant_le64_to_cpu(x) ___constant_swab64((__force __u64)(__le64)(x)) 5921e6f8809b16 David Howells 2012-10-13 21 #define __constant_cpu_to_le32(x) ((__force __le32)___constant_swab32((x))) 5921e6f8809b16 David Howells 2012-10-13 22 #define __constant_le32_to_cpu(x) ___constant_swab32((__force __u32)(__le32)(x)) 5921e6f8809b16 David Howells 2012-10-13 23 #define __constant_cpu_to_le16(x) ((__force __le16)___constant_swab16((x))) 5921e6f8809b16 David Howells 2012-10-13 24 #define __constant_le16_to_cpu(x) ___constant_swab16((__force __u16)(__le16)(x)) 5921e6f8809b16 David Howells 2012-10-13 25 #define __constant_cpu_to_be64(x) ((__force __be64)(__u64)(x)) 5921e6f8809b16 David Howells 2012-10-13 26 #define __constant_be64_to_cpu(x) ((__force __u64)(__be64)(x)) 5921e6f8809b16 David Howells 2012-10-13 27 #define __constant_cpu_to_be32(x) ((__force __be32)(__u32)(x)) 5921e6f8809b16 David Howells 2012-10-13 28 #define __constant_be32_to_cpu(x) ((__force __u32)(__be32)(x)) 5921e6f8809b16 David Howells 2012-10-13 29 #define __constant_cpu_to_be16(x) ((__force __be16)(__u16)(x)) 5921e6f8809b16 David Howells 2012-10-13 30 #define __constant_be16_to_cpu(x) ((__force __u16)(__be16)(x)) 5921e6f8809b16 David Howells 2012-10-13 31 #define __cpu_to_le64(x) ((__force __le64)__swab64((x))) 5921e6f8809b16 David Howells 2012-10-13 32 #define __le64_to_cpu(x) __swab64((__force __u64)(__le64)(x)) 5921e6f8809b16 David Howells 2012-10-13 33 #define __cpu_to_le32(x) ((__force __le32)__swab32((x))) 5921e6f8809b16 David Howells 2012-10-13 @34 #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x)) 5921e6f8809b16 David Howells 2012-10-13 35 #define __cpu_to_le16(x) ((__force __le16)__swab16((x))) 5921e6f8809b16 David Howells 2012-10-13 36 #define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x)) 5921e6f8809b16 David Howells 2012-10-13 37 #define __cpu_to_be64(x) ((__force __be64)(__u64)(x)) 5921e6f8809b16 David Howells 2012-10-13 38 #define __be64_to_cpu(x) ((__force __u64)(__be64)(x)) 5921e6f8809b16 David Howells 2012-10-13 39 #define __cpu_to_be32(x) ((__force __be32)(__u32)(x)) 5921e6f8809b16 David Howells 2012-10-13 40 #define __be32_to_cpu(x) ((__force __u32)(__be32)(x)) 5921e6f8809b16 David Howells 2012-10-13 41 #define __cpu_to_be16(x) ((__force __be16)(__u16)(x)) 5921e6f8809b16 David Howells 2012-10-13 42 #define __be16_to_cpu(x) ((__force __u16)(__be16)(x)) 5921e6f8809b16 David Howells 2012-10-13 43 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org