Hi Alexander, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on axboe-block/for-next] [also build test WARNING on linus/master v6.0-rc5 next-20220915] [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/Alexander-V-Buev/implement-direct-IO-with-integrity/20220909-202433 base: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-next config: parisc-randconfig-s053-20220914 (https://download.01.org/0day-ci/archive/20220916/202209160737.29uHLqYq-lkp@xxxxxxxxx/config) compiler: hppa-linux-gcc (GCC) 12.1.0 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: v0.6.4-39-gce1a6720-dirty # https://github.com/intel-lab-lkp/linux/commit/81de858455c5cf1e5870106f544fe1fd179fa324 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Alexander-V-Buev/implement-direct-IO-with-integrity/20220909-202433 git checkout 81de858455c5cf1e5870106f544fe1fd179fa324 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=parisc SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) io_uring/rw_pi.c: note: in included file (through io_uring/io_uring.h): io_uring/slist.h:138:29: sparse: sparse: no newline at end of file io_uring/rw_pi.c:248:27: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void *private @@ got void [noderef] __user * @@ io_uring/rw_pi.c:248:27: sparse: expected void *private io_uring/rw_pi.c:248:27: sparse: got void [noderef] __user * io_uring/rw_pi.c:458:43: sparse: sparse: Using plain integer as NULL pointer io_uring/rw_pi.c:543:43: sparse: sparse: Using plain integer as NULL pointer >> io_uring/rw_pi.c:266:17: sparse: sparse: cast removes address space '__user' of expression io_uring/rw_pi.c:266:14: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct iovec [noderef] __user *uvec @@ got struct iovec * @@ io_uring/rw_pi.c:266:14: sparse: expected struct iovec [noderef] __user *uvec io_uring/rw_pi.c:266:14: sparse: got struct iovec * io_uring/rw_pi.c:275:14: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct iovec [noderef] __user *uvec @@ got struct iovec * @@ io_uring/rw_pi.c:275:14: sparse: expected struct iovec [noderef] __user *uvec io_uring/rw_pi.c:275:14: sparse: got struct iovec * >> io_uring/rw_pi.c:266:17: sparse: sparse: cast removes address space '__user' of expression io_uring/rw_pi.c:266:14: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct iovec [noderef] __user *uvec @@ got struct iovec * @@ io_uring/rw_pi.c:266:14: sparse: expected struct iovec [noderef] __user *uvec io_uring/rw_pi.c:266:14: sparse: got struct iovec * io_uring/rw_pi.c:275:14: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct iovec [noderef] __user *uvec @@ got struct iovec * @@ io_uring/rw_pi.c:275:14: sparse: expected struct iovec [noderef] __user *uvec io_uring/rw_pi.c:275:14: sparse: got struct iovec * >> io_uring/rw_pi.c:266:17: sparse: sparse: cast removes address space '__user' of expression io_uring/rw_pi.c:266:14: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct iovec [noderef] __user *uvec @@ got struct iovec * @@ io_uring/rw_pi.c:266:14: sparse: expected struct iovec [noderef] __user *uvec io_uring/rw_pi.c:266:14: sparse: got struct iovec * io_uring/rw_pi.c:275:14: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct iovec [noderef] __user *uvec @@ got struct iovec * @@ io_uring/rw_pi.c:275:14: sparse: expected struct iovec [noderef] __user *uvec io_uring/rw_pi.c:275:14: sparse: got struct iovec * >> io_uring/rw_pi.c:266:17: sparse: sparse: cast removes address space '__user' of expression io_uring/rw_pi.c:266:14: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct iovec [noderef] __user *uvec @@ got struct iovec * @@ io_uring/rw_pi.c:266:14: sparse: expected struct iovec [noderef] __user *uvec io_uring/rw_pi.c:266:14: sparse: got struct iovec * io_uring/rw_pi.c:275:14: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct iovec [noderef] __user *uvec @@ got struct iovec * @@ io_uring/rw_pi.c:275:14: sparse: expected struct iovec [noderef] __user *uvec io_uring/rw_pi.c:275:14: sparse: got struct iovec * vim +/__user +266 io_uring/rw_pi.c 255 256 257 static inline int 258 io_import_iovecs_pi(int io_dir, struct io_kiocb *req, struct iovec **iovec, 259 struct io_rw_state *s_data, struct __io_rw_pi_state *s_pi) 260 { 261 struct io_rw_pi *rw = io_kiocb_to_cmd(req, struct io_rw_pi); 262 struct iovec __user *uvec; 263 ssize_t ret; 264 265 /* data */ > 266 uvec = (struct iovec *)u64_to_user_ptr(rw->addr); 267 iovec[DATA] = s_data->fast_iov; 268 ret = __import_iovec(io_dir, uvec, rw->nr_segs, 269 UIO_FASTIOV, iovec + DATA, 270 &s_data->iter, req->ctx->compat); 271 272 if (unlikely(ret <= 0)) 273 return (ret) ? ret : -EINVAL; 274 /* pi */ 275 uvec = (struct iovec *)rw->kiocb.private; 276 iovec[PI] = s_pi->fast_iov; 277 ret = __import_iovec(io_dir, uvec, rw->nr_pi_segs, 278 UIO_FASTIOV_PI, iovec + PI, 279 &s_pi->iter, req->ctx->compat); 280 if (unlikely(ret <= 0)) { 281 if (iovec[DATA]) 282 kfree(iovec[DATA]); 283 return (ret) ? ret : -EINVAL; 284 } 285 286 /* save states */ 287 io_rw_pi_state_iter_save(s_data, s_pi); 288 289 return 0; 290 } 291 -- 0-DAY CI Kernel Test Service https://01.org/lkp
