tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 0bddd227f3dc55975e2b8dfa7fc6f959b062a2c7 commit: 670d0a4b10704667765f7d18f7592993d02783aa sparse: use identifiers to define address spaces date: 3 weeks ago config: sh-randconfig-s032-20200709 (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: v0.6.2-37-gc9676a3b-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=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 >>) fs/orangefs/file.c:118:32: sparse: sparse: incorrect type in assignment (different base types) @@ expected int open_for_write @@ got restricted fmode_t @@ fs/orangefs/file.c:118:32: sparse: expected int open_for_write fs/orangefs/file.c:118:32: sparse: got restricted fmode_t fs/orangefs/file.c:119:31: sparse: sparse: incorrect type in assignment (different base types) @@ expected int open_for_read @@ got restricted fmode_t @@ fs/orangefs/file.c:119:31: sparse: expected int open_for_read fs/orangefs/file.c:119:31: sparse: got restricted fmode_t fs/orangefs/file.c:424:21: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected int const *__gu_addr @@ got int [noderef] __user * @@ fs/orangefs/file.c:424:21: sparse: expected int const *__gu_addr fs/orangefs/file.c:424:21: sparse: got int [noderef] __user * fs/orangefs/file.c:424:21: sparse: got int const *__gu_addr -- net/bluetooth/rfcomm/sock.c:659:21: sparse: expected unsigned int const *__gu_addr net/bluetooth/rfcomm/sock.c:659:21: sparse: got unsigned int const *__gu_addr net/bluetooth/rfcomm/sock.c:735:21: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected unsigned int const *__gu_addr @@ got unsigned int [noderef] [usertype] __user * @@ net/bluetooth/rfcomm/sock.c:735:21: sparse: expected unsigned int const *__gu_addr net/bluetooth/rfcomm/sock.c:735:21: sparse: got unsigned int [noderef] [usertype] __user * net/bluetooth/rfcomm/sock.c:735:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __user * @@ got unsigned int const *__gu_addr @@ net/bluetooth/rfcomm/sock.c:735:21: sparse: expected void const volatile [noderef] __user * net/bluetooth/rfcomm/sock.c:735:21: sparse: got unsigned int const *__gu_addr net/bluetooth/rfcomm/sock.c:767:13: sparse: expected int const *__gu_addr net/bluetooth/rfcomm/sock.c:767:13: sparse: expected void const volatile [noderef] __user * net/bluetooth/rfcomm/sock.c:767:13: sparse: got int const *__gu_addr net/bluetooth/rfcomm/sock.c:845:13: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected int const *__gu_addr @@ got int [noderef] __user *optlen @@ net/bluetooth/rfcomm/sock.c:845:13: sparse: expected int const *__gu_addr net/bluetooth/rfcomm/sock.c:845:13: sparse: got int [noderef] __user *optlen net/bluetooth/rfcomm/sock.c:845:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __user * @@ got int const *__gu_addr @@ net/bluetooth/rfcomm/sock.c:845:13: sparse: expected void const volatile [noderef] __user * net/bluetooth/rfcomm/sock.c:845:13: sparse: got int const *__gu_addr -- drivers/rtc/rtc-m41t80.c:736:21: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected int const *__gu_addr @@ got int [noderef] __user * @@ drivers/rtc/rtc-m41t80.c:736:21: sparse: expected int const *__gu_addr drivers/rtc/rtc-m41t80.c:736:21: sparse: got int [noderef] __user * drivers/rtc/rtc-m41t80.c:736:21: sparse: got int const *__gu_addr vim +424 fs/orangefs/file.c 5aca284210ce82 Darrick J. Wong 2019-07-01 393 5db11c21a929cd Mike Marshall 2015-07-17 394 /* 5db11c21a929cd Mike Marshall 2015-07-17 395 * Perform a miscellaneous operation on a file. 5db11c21a929cd Mike Marshall 2015-07-17 396 */ 8bb8aefd5afb54 Yi Liu 2015-11-24 397 static long orangefs_ioctl(struct file *file, unsigned int cmd, unsigned long arg) 5db11c21a929cd Mike Marshall 2015-07-17 398 { 5aca284210ce82 Darrick J. Wong 2019-07-01 399 struct inode *inode = file_inode(file); 5db11c21a929cd Mike Marshall 2015-07-17 400 int ret = -ENOTTY; 5db11c21a929cd Mike Marshall 2015-07-17 401 __u64 val = 0; 5db11c21a929cd Mike Marshall 2015-07-17 402 unsigned long uval; 5db11c21a929cd Mike Marshall 2015-07-17 403 5db11c21a929cd Mike Marshall 2015-07-17 404 gossip_debug(GOSSIP_FILE_DEBUG, 8bb8aefd5afb54 Yi Liu 2015-11-24 405 "orangefs_ioctl: called with cmd %d\n", 5db11c21a929cd Mike Marshall 2015-07-17 406 cmd); 5db11c21a929cd Mike Marshall 2015-07-17 407 5db11c21a929cd Mike Marshall 2015-07-17 408 /* 5db11c21a929cd Mike Marshall 2015-07-17 409 * we understand some general ioctls on files, such as the immutable 5db11c21a929cd Mike Marshall 2015-07-17 410 * and append flags 5db11c21a929cd Mike Marshall 2015-07-17 411 */ 5db11c21a929cd Mike Marshall 2015-07-17 412 if (cmd == FS_IOC_GETFLAGS) { 5aca284210ce82 Darrick J. Wong 2019-07-01 413 ret = orangefs_getflags(inode, &uval); 5aca284210ce82 Darrick J. Wong 2019-07-01 414 if (ret) 5db11c21a929cd Mike Marshall 2015-07-17 415 return ret; 5db11c21a929cd Mike Marshall 2015-07-17 416 gossip_debug(GOSSIP_FILE_DEBUG, 8bb8aefd5afb54 Yi Liu 2015-11-24 417 "orangefs_ioctl: FS_IOC_GETFLAGS: %llu\n", 5db11c21a929cd Mike Marshall 2015-07-17 418 (unsigned long long)uval); 5db11c21a929cd Mike Marshall 2015-07-17 419 return put_user(uval, (int __user *)arg); 5db11c21a929cd Mike Marshall 2015-07-17 420 } else if (cmd == FS_IOC_SETFLAGS) { 5aca284210ce82 Darrick J. Wong 2019-07-01 421 unsigned long old_uval; 5aca284210ce82 Darrick J. Wong 2019-07-01 422 5db11c21a929cd Mike Marshall 2015-07-17 423 ret = 0; 5db11c21a929cd Mike Marshall 2015-07-17 @424 if (get_user(uval, (int __user *)arg)) 5db11c21a929cd Mike Marshall 2015-07-17 425 return -EFAULT; 5db11c21a929cd Mike Marshall 2015-07-17 426 /* 8bb8aefd5afb54 Yi Liu 2015-11-24 427 * ORANGEFS_MIRROR_FL is set internally when the mirroring mode 5db11c21a929cd Mike Marshall 2015-07-17 428 * is turned on for a file. The user is not allowed to turn 5db11c21a929cd Mike Marshall 2015-07-17 429 * on this bit, but the bit is present if the user first gets 5db11c21a929cd Mike Marshall 2015-07-17 430 * the flags and then updates the flags with some new 5db11c21a929cd Mike Marshall 2015-07-17 431 * settings. So, we ignore it in the following edit. bligon. 5db11c21a929cd Mike Marshall 2015-07-17 432 */ 8bb8aefd5afb54 Yi Liu 2015-11-24 433 if ((uval & ~ORANGEFS_MIRROR_FL) & 5db11c21a929cd Mike Marshall 2015-07-17 434 (~(FS_IMMUTABLE_FL | FS_APPEND_FL | FS_NOATIME_FL))) { 8bb8aefd5afb54 Yi Liu 2015-11-24 435 gossip_err("orangefs_ioctl: the FS_IOC_SETFLAGS only supports setting one of FS_IMMUTABLE_FL|FS_APPEND_FL|FS_NOATIME_FL\n"); 5db11c21a929cd Mike Marshall 2015-07-17 436 return -EINVAL; 5db11c21a929cd Mike Marshall 2015-07-17 437 } 5aca284210ce82 Darrick J. Wong 2019-07-01 438 ret = orangefs_getflags(inode, &old_uval); 5aca284210ce82 Darrick J. Wong 2019-07-01 439 if (ret) 5aca284210ce82 Darrick J. Wong 2019-07-01 440 return ret; 5aca284210ce82 Darrick J. Wong 2019-07-01 441 ret = vfs_ioc_setflags_prepare(inode, old_uval, uval); 5aca284210ce82 Darrick J. Wong 2019-07-01 442 if (ret) 5aca284210ce82 Darrick J. Wong 2019-07-01 443 return ret; 5db11c21a929cd Mike Marshall 2015-07-17 444 val = uval; 5db11c21a929cd Mike Marshall 2015-07-17 445 gossip_debug(GOSSIP_FILE_DEBUG, 8bb8aefd5afb54 Yi Liu 2015-11-24 446 "orangefs_ioctl: FS_IOC_SETFLAGS: %llu\n", 5db11c21a929cd Mike Marshall 2015-07-17 447 (unsigned long long)val); 5aca284210ce82 Darrick J. Wong 2019-07-01 448 ret = orangefs_inode_setxattr(inode, 5db11c21a929cd Mike Marshall 2015-07-17 449 "user.pvfs2.meta_hint", 555fa0fa618b84 Al Viro 2015-11-11 450 &val, sizeof(val), 0); 5db11c21a929cd Mike Marshall 2015-07-17 451 } 5db11c21a929cd Mike Marshall 2015-07-17 452 5db11c21a929cd Mike Marshall 2015-07-17 453 return ret; 5db11c21a929cd Mike Marshall 2015-07-17 454 } 5db11c21a929cd Mike Marshall 2015-07-17 455 :::::: The code at line 424 was first introduced by commit :::::: 5db11c21a929cd9d8c0484006efb1014fc723c93 Orangefs: kernel client part 2 :::::: TO: Mike Marshall <hubcap(a)omnibond.com&gt; :::::: CC: Mike Marshall <hubcap(a)omnibond.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org