Hi Kemeng, kernel test robot noticed the following build errors: [auto build test ERROR on tytso-ext4/dev] [also build test ERROR on next-20230412] [cannot apply to linus/master v6.3-rc6] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Kemeng-Shi/ext4-fix-wrong-unit-use-in-ext4_mb_normalize_request/20230412-172757 base: https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git dev patch link: https://lore.kernel.org/r/20230412172833.2317696-20-shikemeng%40huaweicloud.com patch subject: [PATCH v2 19/19] ext4: add first unit test for ext4_mb_new_blocks_simple in mballoc config: hexagon-randconfig-r013-20230410 (https://download.01.org/0day-ci/archive/20230413/202304130218.GUkZVdgG-lkp@xxxxxxxxx/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project 2c57868e2e877f73c339796c3374ae660bb77f0d) 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/intel-lab-lkp/linux/commit/3ceb1daf83fdf578c28ede1a10e55f05ef7642d5 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Kemeng-Shi/ext4-fix-wrong-unit-use-in-ext4_mb_normalize_request/20230412-172757 git checkout 3ceb1daf83fdf578c28ede1a10e55f05ef7642d5 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash fs/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202304130218.GUkZVdgG-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from fs/ext4/mballoc.c:12: In file included from fs/ext4/ext4_jbd2.h:16: In file included from include/linux/jbd2.h:23: In file included from include/linux/buffer_head.h:12: In file included from include/linux/blk_types.h:10: In file included from include/linux/bvec.h:10: In file included from include/linux/highmem.h:12: In file included from include/linux/hardirq.h:11: In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/hexagon/include/asm/io.h:334: include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __raw_readb(PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr)); ~~~~~~~~~~ ^ include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu' #define __le16_to_cpu(x) ((__force __u16)(__le16)(x)) ^ In file included from fs/ext4/mballoc.c:12: In file included from fs/ext4/ext4_jbd2.h:16: In file included from include/linux/jbd2.h:23: In file included from include/linux/buffer_head.h:12: In file included from include/linux/blk_types.h:10: In file included from include/linux/bvec.h:10: In file included from include/linux/highmem.h:12: In file included from include/linux/hardirq.h:11: In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/hexagon/include/asm/io.h:334: include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr)); ~~~~~~~~~~ ^ include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu' #define __le32_to_cpu(x) ((__force __u32)(__le32)(x)) ^ In file included from fs/ext4/mballoc.c:12: In file included from fs/ext4/ext4_jbd2.h:16: In file included from include/linux/jbd2.h:23: In file included from include/linux/buffer_head.h:12: In file included from include/linux/blk_types.h:10: In file included from include/linux/bvec.h:10: In file included from include/linux/highmem.h:12: In file included from include/linux/hardirq.h:11: In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/hexagon/include/asm/io.h:334: include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writeb(value, PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); ~~~~~~~~~~ ^ fs/ext4/mballoc.c:3752:12: warning: mixing declarations and code is incompatible with standards before C99 [-Wdeclaration-after-statement] handle_t *handle = mc->handle; ^ In file included from fs/ext4/mballoc.c:6523: >> fs/ext4/mballoc-test.c:107:31: error: casting from randomized structure pointer type 'struct super_block *' to 'struct mb_ctx *' struct mb_grp_ctx *grp_ctx = MB_GRP_CTX(sb, group); ^ fs/ext4/mballoc-test.c:23:33: note: expanded from macro 'MB_GRP_CTX' #define MB_GRP_CTX(sb, group) (&MB_CTX(sb)->grp_ctx[group]) ^ fs/ext4/mballoc-test.c:22:21: note: expanded from macro 'MB_CTX' #define MB_CTX(sb) ((struct mb_ctx *)((struct super_block *)sb + 1)) ^ fs/ext4/mballoc-test.c:115:23: error: casting from randomized structure pointer type 'struct super_block *' to 'struct mb_ctx *' struct mb_ctx *ctx = MB_CTX(sb); ^ fs/ext4/mballoc-test.c:22:21: note: expanded from macro 'MB_CTX' #define MB_CTX(sb) ((struct mb_ctx *)((struct super_block *)sb + 1)) ^ fs/ext4/mballoc-test.c:144:23: error: casting from randomized structure pointer type 'struct super_block *' to 'struct mb_ctx *' struct mb_ctx *ctx = MB_CTX(sb); ^ fs/ext4/mballoc-test.c:22:21: note: expanded from macro 'MB_CTX' #define MB_CTX(sb) ((struct mb_ctx *)((struct super_block *)sb + 1)) ^ fs/ext4/mballoc-test.c:156:31: error: casting from randomized structure pointer type 'struct super_block *' to 'struct mb_ctx *' struct mb_grp_ctx *grp_ctx = MB_GRP_CTX(sb, block_group); ^ fs/ext4/mballoc-test.c:23:33: note: expanded from macro 'MB_GRP_CTX' #define MB_GRP_CTX(sb, group) (&MB_CTX(sb)->grp_ctx[group]) ^ fs/ext4/mballoc-test.c:22:21: note: expanded from macro 'MB_CTX' #define MB_CTX(sb) ((struct mb_ctx *)((struct super_block *)sb + 1)) ^ fs/ext4/mballoc-test.c:153:1: warning: no previous prototype for function 'ext4_read_block_bitmap_nowait_stub' [-Wmissing-prototypes] ext4_read_block_bitmap_nowait_stub(struct super_block *sb, ext4_group_t block_group, ^ fs/ext4/mballoc-test.c:152:1: note: declare 'static' if the function is not intended to be used outside of this translation unit struct buffer_head * ^ static fs/ext4/mballoc-test.c:162:5: warning: no previous prototype for function 'ext4_wait_block_bitmap_stub' [-Wmissing-prototypes] int ext4_wait_block_bitmap_stub(struct super_block *sb, ^ fs/ext4/mballoc-test.c:162:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int ext4_wait_block_bitmap_stub(struct super_block *sb, ^ static fs/ext4/mballoc-test.c:173:31: error: casting from randomized structure pointer type 'struct super_block *' to 'struct mb_ctx *' struct mb_grp_ctx *grp_ctx = MB_GRP_CTX(sb, block_group); ^ fs/ext4/mballoc-test.c:23:33: note: expanded from macro 'MB_GRP_CTX' #define MB_GRP_CTX(sb, group) (&MB_CTX(sb)->grp_ctx[group]) ^ fs/ext4/mballoc-test.c:22:21: note: expanded from macro 'MB_CTX' #define MB_CTX(sb) ((struct mb_ctx *)((struct super_block *)sb + 1)) ^ fs/ext4/mballoc-test.c:169:25: warning: no previous prototype for function 'ext4_get_group_desc_stub' [-Wmissing-prototypes] struct ext4_group_desc *ext4_get_group_desc_stub(struct super_block *sb, ^ fs/ext4/mballoc-test.c:169:1: note: declare 'static' if the function is not intended to be used outside of this translation unit struct ext4_group_desc *ext4_get_group_desc_stub(struct super_block *sb, ^ static fs/ext4/mballoc-test.c:185:31: error: casting from randomized structure pointer type 'struct super_block *' to 'struct mb_ctx *' struct mb_grp_ctx *grp_ctx = MB_GRP_CTX(mc->sb, group); ^ fs/ext4/mballoc-test.c:23:33: note: expanded from macro 'MB_GRP_CTX' #define MB_GRP_CTX(sb, group) (&MB_CTX(sb)->grp_ctx[group]) ^ fs/ext4/mballoc-test.c:22:21: note: expanded from macro 'MB_CTX' #define MB_CTX(sb) ((struct mb_ctx *)((struct super_block *)sb + 1)) ^ fs/ext4/mballoc-test.c:181:5: warning: no previous prototype for function 'ext4_mb_mark_group_bb_stub' [-Wmissing-prototypes] int ext4_mb_mark_group_bb_stub(struct ext4_mark_context *mc, ^ fs/ext4/mballoc-test.c:181:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int ext4_mb_mark_group_bb_stub(struct ext4_mark_context *mc, ^ static 11 warnings and 6 errors generated. vim +107 fs/ext4/mballoc-test.c 103 104 static void mb_ctx_mark_used(struct super_block *sb, ext4_group_t group, 105 unsigned int start, unsigned int len) 106 { > 107 struct mb_grp_ctx *grp_ctx = MB_GRP_CTX(sb, group); 108 109 mb_set_bits(grp_ctx->bitmap_bh.b_data, start, len); 110 } 111 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
