[kbuild-all] drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1037:23: sparse: sparse: incorrect type in initializer (different address spaces)

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: dcc0b49040c70ad827a7f3d58a21b01fdb14e749 commit: 5d240a54be7e5921856ce1baa3642351aa118dbc staging: vchiq: convert compat await_completion date: 5 months ago config: sh-randconfig-s032-20210212 (attached as .config) compiler: sh4-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: v0.6.3-215-g0fb77bb6-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 5d240a54be7e5921856ce1baa3642351aa118dbc # 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=sh 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 >>)" drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1062:62: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __user *uptr @@ got struct vchiq_header *[noderef] __user header @@ drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1062:62: sparse: expected void [noderef] __user *uptr drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1062:62: sparse: got struct vchiq_header *[noderef] __user header drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1063:62: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __user *uptr @@ got void *[noderef] __user service_userdata @@ drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1063:62: sparse: expected void [noderef] __user *uptr drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1063:62: sparse: got void *[noderef] __user service_userdata drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1064:62: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __user *uptr @@ got void *[noderef] __user bulk_userdata @@ drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1064:62: sparse: expected void [noderef] __user *uptr drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1064:62: sparse: got void *[noderef] __user bulk_userdata drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1161:58: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __user *ubuf @@ got void *** @@ drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1161:58: sparse: expected void [noderef] __user *ubuf drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1161:58: sparse: got void *** drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1189:46: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct vchiq_completion_data [noderef] __user *buf @@ got struct vchiq_completion_data *buf @@ drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1189:46: sparse: expected struct vchiq_completion_data [noderef] __user *buf drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1189:46: sparse: got struct vchiq_completion_data *buf drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1061:45: sparse: sparse: dereference of noderef expression drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1062:59: sparse: sparse: dereference of noderef expression drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1062:59: sparse: sparse: dereference of noderef expression drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1063:59: sparse: sparse: dereference of noderef expression drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1063:59: sparse: sparse: dereference of noderef expression drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1064:59: sparse: sparse: dereference of noderef expression drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1064:59: sparse: sparse: dereference of noderef expression drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1037:23: sparse: expected unsigned int const *__gu_addr drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1037:23: sparse: got unsigned int [noderef] [usertype] __user * drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1037:23: sparse: expected void const volatile [noderef] __user *ptr drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1037:23: sparse: got unsigned int const *__gu_addr drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1041:23: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void [noderef] __user *const *__gu_addr @@ got void [noderef] __user *[noderef] __user * @@ drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1041:23: sparse: expected void [noderef] __user *const *__gu_addr drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1041:23: sparse: got void [noderef] __user *[noderef] __user * drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1041:23: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __user *ptr @@ got void [noderef] __user *const *__gu_addr @@ drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1041:23: sparse: expected void const volatile [noderef] __user *ptr drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1041:23: sparse: got void [noderef] __user *const *__gu_addr drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1041:23: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void [noderef] __user **buf @@ got void [noderef] __user * @@ drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1041:23: sparse: expected void [noderef] __user **buf drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1041:23: sparse: got void [noderef] __user * vim +1037 drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c 1029 1030 static inline int vchiq_get_user_ptr(void __user **buf, void __user *ubuf, int index) 1031 { 1032 compat_uptr_t ptr32; 1033 int ret; 1034 1035 if (in_compat_syscall()) { 1036 compat_uptr_t __user *uptr = ubuf; 1038 *buf = compat_ptr(ptr32); 1039 } else { 1040 void __user *__user *uptr = ubuf; 1041 ret = get_user(buf, &uptr[index]); 1042 } 1043 return ret; 1044 } 1045 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org