tree: https://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux.git reserve-rt-metadata-space head: cf302d785b20281da031865d0e18e4b50bff6bbf commit: 1feff90cefef24e947c0d10d800d87d16a4602a7 [64/196] xfs: repair damaged symlinks config: powerpc64-randconfig-r005-20210118 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 22b68440e1647e16b5ee24b924986207173c02d1) 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 # install powerpc64 cross compiling tool for clang build # apt-get install binutils-powerpc64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux.git/comm... git remote add djwong-xfs https://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux.git git fetch --no-tags djwong-xfs reserve-rt-metadata-space git checkout 1feff90cefef24e947c0d10d800d87d16a4602a7 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): arch/powerpc/include/asm/io-defs.h:47:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] DEF_PCI_AC_NORET(insl, (unsigned long p, void *b, unsigned long c), ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET' __do_##name al; \ ^~~~~~~~~~~~~~ <scratch space>:190:1: note: expanded from here __do_insl ^ arch/powerpc/include/asm/io.h:558:56: note: expanded from macro '__do_insl' #define __do_insl(p, b, n) readsl((PCI_IO_ADDR)_IO_BASE+(p), (b), (n)) ~~~~~~~~~~~~~~~~~~~~~^ In file included from fs/xfs/scrub/symlink_repair.c:6: In file included from fs/xfs/xfs.h:22: In file included from fs/xfs/xfs_linux.h:31: In file included from include/linux/blkdev.h:14: In file included from include/linux/pagemap.h:11: In file included from include/linux/highmem.h:10: In file included from include/linux/hardirq.h:10: In file included from arch/powerpc/include/asm/hardirq.h:6: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/powerpc/include/asm/io.h:619: arch/powerpc/include/asm/io-defs.h:49:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] DEF_PCI_AC_NORET(outsb, (unsigned long p, const void *b, unsigned long c), ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET' __do_##name al; \ ^~~~~~~~~~~~~~ <scratch space>:192:1: note: expanded from here __do_outsb ^ arch/powerpc/include/asm/io.h:559:58: note: expanded from macro '__do_outsb' #define __do_outsb(p, b, n) writesb((PCI_IO_ADDR)_IO_BASE+(p),(b),(n)) ~~~~~~~~~~~~~~~~~~~~~^ In file included from fs/xfs/scrub/symlink_repair.c:6: In file included from fs/xfs/xfs.h:22: In file included from fs/xfs/xfs_linux.h:31: In file included from include/linux/blkdev.h:14: In file included from include/linux/pagemap.h:11: In file included from include/linux/highmem.h:10: In file included from include/linux/hardirq.h:10: In file included from arch/powerpc/include/asm/hardirq.h:6: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/powerpc/include/asm/io.h:619: arch/powerpc/include/asm/io-defs.h:51:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] DEF_PCI_AC_NORET(outsw, (unsigned long p, const void *b, unsigned long c), ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET' __do_##name al; \ ^~~~~~~~~~~~~~ <scratch space>:194:1: note: expanded from here __do_outsw ^ arch/powerpc/include/asm/io.h:560:58: note: expanded from macro '__do_outsw' #define __do_outsw(p, b, n) writesw((PCI_IO_ADDR)_IO_BASE+(p),(b),(n)) ~~~~~~~~~~~~~~~~~~~~~^ In file included from fs/xfs/scrub/symlink_repair.c:6: In file included from fs/xfs/xfs.h:22: In file included from fs/xfs/xfs_linux.h:31: In file included from include/linux/blkdev.h:14: In file included from include/linux/pagemap.h:11: In file included from include/linux/highmem.h:10: In file included from include/linux/hardirq.h:10: In file included from arch/powerpc/include/asm/hardirq.h:6: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/powerpc/include/asm/io.h:619: arch/powerpc/include/asm/io-defs.h:53:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] DEF_PCI_AC_NORET(outsl, (unsigned long p, const void *b, unsigned long c), ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET' __do_##name al; \ ^~~~~~~~~~~~~~ <scratch space>:196:1: note: expanded from here __do_outsl ^ arch/powerpc/include/asm/io.h:561:58: note: expanded from macro '__do_outsl' #define __do_outsl(p, b, n) writesl((PCI_IO_ADDR)_IO_BASE+(p),(b),(n)) ~~~~~~~~~~~~~~~~~~~~~^ In file included from fs/xfs/scrub/symlink_repair.c:22: fs/xfs/xfs_quota.h:176:39: error: incompatible pointer types passing 'struct xfs_trans **' to parameter of type 'struct xfs_trans *'; remove & [-Werror,-Wincompatible-pointer-types] return xfs_trans_reserve_quota_nblks(&tp, ip, -nblks, -ninos, flags, ^~~ fs/xfs/xfs_quota.h:132:67: note: passing argument to parameter 'tp' here static inline int xfs_trans_reserve_quota_nblks(struct xfs_trans *tp, ^ fs/xfs/xfs_quota.h:181:1: error: redefinition of 'xfs_quota_reserve_blkres' xfs_quota_reserve_blkres(struct xfs_inode *ip, int64_t nblks, ^ fs/xfs/xfs_quota.h:145:19: note: previous definition is here static inline int xfs_quota_reserve_blkres(struct xfs_inode *ip, ^ fs/xfs/xfs_quota.h:186:39: error: incompatible pointer types passing 'struct xfs_trans **' to parameter of type 'struct xfs_trans *'; remove & [-Werror,-Wincompatible-pointer-types] return xfs_trans_reserve_quota_nblks(&tp, ip, nblks, 0, flags, NULL); ^~~ fs/xfs/xfs_quota.h:132:67: note: passing argument to parameter 'tp' here static inline int xfs_trans_reserve_quota_nblks(struct xfs_trans *tp, ^ error = xfs_trans_reserve_quota_nblks(&sc->tp, sc->ip, resblks, 0, ^~~~~~~ fs/xfs/xfs_quota.h:132:67: note: passing argument to parameter 'tp' here static inline int xfs_trans_reserve_quota_nblks(struct xfs_trans *tp, ^ 12 warnings and 4 errors generated. vim +213 fs/xfs/scrub/symlink_repair.c 185 186 /* 187 * Reinitialize a link target. Caller must ensure the inode is joined to 188 * the transaction. 189 */ 190 STATIC int 191 xrep_symlink_reinitialize( 192 struct xfs_scrub *sc) 193 { 194 xfs_fsblock_t fs_blocks; 195 unsigned int target_len; 196 unsigned int resblks; 197 unsigned int quota_flags = XFS_QMOPT_RES_REGBLKS; 198 bool quota_retry = false; 199 int error; 200 201 /* How many blocks do we need? */ 202 target_len = strlen(sc->buf); 203 ASSERT(target_len != 0); 204 if (target_len == 0 || target_len > XFS_SYMLINK_MAXLEN) 205 return -EFSCORRUPTED; 206 207 if (sc->flags & XCHK_TRY_HARDER) 208 quota_flags |= XFS_QMOPT_FORCE_RES; 209 210 /* Set up to reinitialize the target. */ 211 fs_blocks = xfs_symlink_blocks(sc->mp, target_len); 212 resblks = XFS_SYMLINK_SPACE_RES(sc->mp, target_len, fs_blocks); 214 quota_flags, &quota_retry); 215 if (error) 216 return error; 217 if (quota_retry) { 218 /* Release everything and try harder. */ 219 return -EDEADLOCK; 220 } 221 222 /* Try to write the new target back out. */ 223 error = xfs_symlink_write_target(sc->tp, sc->ip, sc->buf, target_len, 224 fs_blocks, resblks); 225 if (error) 226 return error; 227 228 /* Finish up any block mapping activities. */ 229 return xfs_defer_finish(&sc->tp); 230 } 231 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org