[kbuild-all] fs/coda/psdev.c:79:24: sparse: sparse: incorrect type in initializer (different address spaces)

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 449dc8c97089a6e09fb2dac4d92b1b7ac0eb7c1e commit: 670d0a4b10704667765f7d18f7592993d02783aa sparse: use identifiers to define address spaces date: 7 weeks ago config: openrisc-randconfig-s032-20200809 (attached as .config) compiler: or1k-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 670d0a4b10704667765f7d18f7592993d02783aa # 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=openrisc 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 >>) fs/coda/psdev.c:79:24: sparse: expected int *__pu_addr fs/coda/psdev.c: note: in included file (through include/linux/sched/task.h, include/linux/sched/signal.h): include/linux/uaccess.h:131:38: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *to @@ got void [noderef] __user *to @@ include/linux/uaccess.h:131:38: sparse: expected void *to include/linux/uaccess.h:131:38: sparse: got void [noderef] __user *to include/linux/uaccess.h:131:42: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] __user *from @@ got void const *from @@ include/linux/uaccess.h:131:42: sparse: expected void const [noderef] __user *from include/linux/uaccess.h:131:42: sparse: got void const *from fs/coda/psdev.c: note: in included file (through include/linux/uaccess.h, include/linux/sched/task.h, include/linux/sched/signal.h): arch/openrisc/include/asm/uaccess.h:246:55: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const *from @@ got void const [noderef] __user *from @@ arch/openrisc/include/asm/uaccess.h:246:55: sparse: expected void const *from arch/openrisc/include/asm/uaccess.h:246:55: sparse: got void const [noderef] __user *from -- security/smack/smack_lsm.c:1776:61: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct cred const *cred @@ got struct cred const [noderef] __rcu *cred @@ security/smack/smack_lsm.c:1776:61: sparse: expected struct cred const *cred security/smack/smack_lsm.c:1776:61: sparse: got struct cred const [noderef] __rcu *cred security/smack/smack_lsm.c:2494:27: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __be16 [usertype] dport @@ got unsigned short [usertype] @@ security/smack/smack_lsm.c:2494:27: sparse: expected restricted __be16 [usertype] dport security/smack/smack_lsm.c:2494:27: sparse: got unsigned short [usertype] security/smack/smack_lsm.c:3955:13: sparse: expected int *__pu_addr security/smack/smack_lsm.c:4839:30: sparse: sparse: cast removes address space '__rcu' of expression security/smack/smack_lsm.c: note: in included file (through include/linux/sched/task.h, include/linux/sched/signal.h, include/linux/rcuwait.h, ...): include/linux/uaccess.h:131:38: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *to @@ got void [noderef] __user *to @@ include/linux/uaccess.h:131:38: sparse: expected void *to include/linux/uaccess.h:131:38: sparse: got void [noderef] __user *to include/linux/uaccess.h:131:42: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] __user *from @@ got void const *from @@ include/linux/uaccess.h:131:42: sparse: expected void const [noderef] __user *from include/linux/uaccess.h:131:42: sparse: got void const *from security/smack/smack_lsm.c: note: in included file (through include/linux/uaccess.h, include/linux/sched/task.h, include/linux/sched/signal.h, ...): arch/openrisc/include/asm/uaccess.h:246:55: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const *from @@ got void const [noderef] __user *from @@ arch/openrisc/include/asm/uaccess.h:246:55: sparse: expected void const *from arch/openrisc/include/asm/uaccess.h:246:55: sparse: got void const [noderef] __user *from -- net/sched/act_bpf.c:132:35: sparse: expected void const *src net/sched/act_bpf.c:132:35: sparse: got unsigned char [noderef] __rcu * net/sched/act_bpf.c:125:50: sparse: sparse: dereference of noderef expression net/sched/act_bpf.c:125:50: sparse: sparse: dereference of noderef expression -- net/atm/mpoa_proc.c:223:21: sparse: expected char const *__gu_addr -- net/l2tp/l2tp_ip.c:593:16: sparse: expected int *__pu_addr net/l2tp/l2tp_ip.c: note: in included file (through include/asm-generic/atomic.h, arch/openrisc/include/asm/atomic.h, include/linux/atomic.h, ...): arch/openrisc/include/asm/cmpxchg.h:101:29: sparse: sparse: shift too big (32) for type int vim +79 fs/coda/psdev.c ^1da177e4c3f41 Linus Torvalds 2005-04-16 71 977183902a52d1 Arnd Bergmann 2010-04-27 72 static long coda_psdev_ioctl(struct file * filp, unsigned int cmd, unsigned long arg) ^1da177e4c3f41 Linus Torvalds 2005-04-16 73 { ^1da177e4c3f41 Linus Torvalds 2005-04-16 74 unsigned int data; ^1da177e4c3f41 Linus Torvalds 2005-04-16 75 ^1da177e4c3f41 Linus Torvalds 2005-04-16 76 switch(cmd) { ^1da177e4c3f41 Linus Torvalds 2005-04-16 77 case CIOC_KERNEL_VERSION: ^1da177e4c3f41 Linus Torvalds 2005-04-16 78 data = CODA_KERNEL_VERSION; ^1da177e4c3f41 Linus Torvalds 2005-04-16 @79 return put_user(data, (int __user *) arg); ^1da177e4c3f41 Linus Torvalds 2005-04-16 80 default: ^1da177e4c3f41 Linus Torvalds 2005-04-16 81 return -ENOTTY; ^1da177e4c3f41 Linus Torvalds 2005-04-16 82 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 83 ^1da177e4c3f41 Linus Torvalds 2005-04-16 84 return 0; ^1da177e4c3f41 Linus Torvalds 2005-04-16 85 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 86 :::::: The code at line 79 was first introduced by commit :::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2 :::::: TO: Linus Torvalds <torvalds(a)ppc970.osdl.org&gt; :::::: CC: Linus Torvalds <torvalds(a)ppc970.osdl.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org