tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 136057256686de39cc3a07c2e39ef6bc43003ff6 commit: 7e2d8c29ecdd86afbcedb9d9a977bab8af527add ARM: 9111/1: oabi-compat: rework fcntl64() emulation date: 3 months ago config: arm-randconfig-s032-20211123 (https://download.01.org/0day-ci/archive/20211123/202111232352.1I2ZjeBh-lk...) compiler: arm-linux-gnueabi-gcc (GCC) 11.2.0 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-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 7e2d8c29ecdd86afbcedb9d9a977bab8af527add # save the config file to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=arm 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/arm/kernel/sys_oabi-compat.c:251:51: sparse: expected struct flock64 [noderef] __user *user arch/arm/kernel/sys_oabi-compat.c:251:51: sparse: got struct flock64 * arch/arm/kernel/sys_oabi-compat.c:265:55: sparse: sparse: incorrect type in argument 4 (different address spaces) @@ expected struct flock64 [noderef] __user *user @@ got struct flock64 * @@ arch/arm/kernel/sys_oabi-compat.c:265:55: sparse: expected struct flock64 [noderef] __user *user arch/arm/kernel/sys_oabi-compat.c:265:55: sparse: got struct flock64 * arch/arm/kernel/sys_oabi-compat.c:292:23: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __poll_t [usertype] events @@ got unsigned int [addressable] [usertype] events @@ arch/arm/kernel/sys_oabi-compat.c:292:23: sparse: expected restricted __poll_t [usertype] events arch/arm/kernel/sys_oabi-compat.c:292:23: sparse: got unsigned int [addressable] [usertype] events arch/arm/kernel/sys_oabi-compat.c:312:21: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned int __pu_val @@ got restricted __poll_t [usertype] revents @@ arch/arm/kernel/sys_oabi-compat.c:312:21: sparse: expected unsigned int __pu_val arch/arm/kernel/sys_oabi-compat.c:312:21: sparse: got restricted __poll_t [usertype] revents vim +251 arch/arm/kernel/sys_oabi-compat.c 230 231 asmlinkage long sys_oabi_fcntl64(unsigned int fd, unsigned int cmd, 232 unsigned long arg) 233 { 234 void __user *argp = (void __user *)arg; 235 struct fd f = fdget_raw(fd); 236 struct flock64 flock; 237 long err = -EBADF; 238 239 if (!f.file) 240 goto out; 241 242 switch (cmd) { 243 case F_GETLK64: 244 case F_OFD_GETLK: 245 err = security_file_fcntl(f.file, cmd, arg); 246 if (err) 247 break; 248 err = get_oabi_flock(&flock, argp); 249 if (err) 250 break; 252 if (!err) 253 err = put_oabi_flock(&flock, argp); 254 break; 255 case F_SETLK64: 256 case F_SETLKW64: 257 case F_OFD_SETLK: 258 case F_OFD_SETLKW: 259 err = security_file_fcntl(f.file, cmd, arg); 260 if (err) 261 break; 262 err = get_oabi_flock(&flock, argp); 263 if (err) 264 break; 265 err = fcntl_setlk64(fd, f.file, cmd, &flock); 266 break; 267 default: 268 err = sys_fcntl64(fd, cmd, arg); 269 break; 270 } 271 fdput(f); 272 out: 273 return err; 274 } 275 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org