tree: git://git.infradead.org/users/hch/misc.git set_fs-removal head: 5dbaf1dfe6fada60203b4b076192975a8d61fa5d commit: 66f2614a4abee95b801b8c390d991e612652078b [15/18] powerpc: remove address space overrides using set_fs() config: powerpc-randconfig-s032-20200809 (attached as .config) compiler: powerpc-linux-gcc (GCC) 9.3.0 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: v0.6.2-118-ge1578773-dirty git checkout 66f2614a4abee95b801b8c390d991e612652078b # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=powerpc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) arch/powerpc/lib/sstep.c:113:13: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected void const volatile [noderef] __user * @@ got unsigned long ea @@ arch/powerpc/lib/sstep.c:113:13: sparse: expected void const volatile [noderef] __user * arch/powerpc/lib/sstep.c:113:13: sparse: got unsigned long ea arch/powerpc/lib/sstep.c:113:13: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected void const volatile [noderef] __user * @@ got unsigned long ea @@ arch/powerpc/lib/sstep.c:113:13: sparse: expected void const volatile [noderef] __user * arch/powerpc/lib/sstep.c:113:13: sparse: got unsigned long ea arch/powerpc/lib/sstep.c:113:13: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected void const volatile [noderef] __user * @@ got unsigned long ea @@ arch/powerpc/lib/sstep.c:113:13: sparse: expected void const volatile [noderef] __user * arch/powerpc/lib/sstep.c:113:13: sparse: got unsigned long ea arch/powerpc/lib/sstep.c:113:13: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected void const volatile [noderef] __user * @@ got unsigned long ea @@ arch/powerpc/lib/sstep.c:113:13: sparse: expected void const volatile [noderef] __user * arch/powerpc/lib/sstep.c:113:13: sparse: got unsigned long ea arch/powerpc/lib/sstep.c:113:13: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected void const volatile [noderef] __user * @@ got unsigned long ea @@ arch/powerpc/lib/sstep.c:113:13: sparse: expected void const volatile [noderef] __user * arch/powerpc/lib/sstep.c:113:13: sparse: got unsigned long ea arch/powerpc/lib/sstep.c:113:13: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected void const volatile [noderef] __user * @@ got unsigned long ea @@ arch/powerpc/lib/sstep.c:113:13: sparse: expected void const volatile [noderef] __user * arch/powerpc/lib/sstep.c:113:13: sparse: got unsigned long ea arch/powerpc/lib/sstep.c:113:13: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected void const volatile [noderef] __user * @@ got unsigned long ea @@ arch/powerpc/lib/sstep.c:113:13: sparse: expected void const volatile [noderef] __user * arch/powerpc/lib/sstep.c:113:13: sparse: got unsigned long ea arch/powerpc/lib/sstep.c:113:13: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected void const volatile [noderef] __user * @@ got unsigned long ea @@ arch/powerpc/lib/sstep.c:113:13: sparse: expected void const volatile [noderef] __user * arch/powerpc/lib/sstep.c:113:13: sparse: got unsigned long ea arch/powerpc/lib/sstep.c:113:13: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected void const volatile [noderef] __user * @@ got unsigned long ea @@ arch/powerpc/lib/sstep.c:113:13: sparse: expected void const volatile [noderef] __user * arch/powerpc/lib/sstep.c:113:13: sparse: got unsigned long ea arch/powerpc/lib/sstep.c:113:13: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected void const volatile [noderef] __user * @@ got unsigned long ea @@ arch/powerpc/lib/sstep.c:113:13: sparse: expected void const volatile [noderef] __user * arch/powerpc/lib/sstep.c:113:13: sparse: got unsigned long ea vim +111 arch/powerpc/lib/sstep.c 105 106 static nokprobe_inline long address_ok(struct pt_regs *regs, 107 unsigned long ea, int nb) 108 { 109 if (!user_mode(regs)) 110 return 1; 112 return 1; 113 if (access_ok(ea, 1)) 114 /* Access overlaps the end of the user region */ 115 regs->dar = TASK_SIZE_MAX; 116 else 117 regs->dar = ea; 118 return 0; 119 } 120 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org