tree: https://kernel.googlesource.com/pub/scm/linux/kernel/git/viro/vfs.git next-merge-candidate head: 095c2233958cdefe6f28aa1120e96f55fe9a7f46 commit: 33488845f211afcdb7e5c00a3152890e06cdc78e [54/91] constify ksys_mount() string arguments reproduce: # apt-get install sparse # sparse version: v0.6.1-rc1-7-g2b96cd8-dirty git checkout 33488845f211afcdb7e5c00a3152890e06cdc78e make ARCH=x86_64 allmodconfig make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) >> init/do_mounts.c:388:30: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected char const [noderef] <asn:1> *dev_name @@ got n:1> *dev_name @@ >> init/do_mounts.c:388:30: sparse: expected char const [noderef] <asn:1> *dev_name init/do_mounts.c:388:30: sparse: got char *name >> init/do_mounts.c:388:36: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected char const [noderef] <asn:1> *dir_name @@ got n:1> *dir_name @@ >> init/do_mounts.c:388:36: sparse: expected char const [noderef] <asn:1> *dir_name init/do_mounts.c:388:36: sparse: got char * >> init/do_mounts.c:388:45: sparse: sparse: incorrect type in argument 3 (different address spaces) @@ expected char const [noderef] <asn:1> *type @@ got n:1> *type @@ >> init/do_mounts.c:388:45: sparse: expected char const [noderef] <asn:1> *type init/do_mounts.c:388:45: sparse: got char *fs init/do_mounts.c:388:56: sparse: sparse: incorrect type in argument 5 (different address spaces) @@ expected void [noderef] <asn:1> *data @@ got n:1> *data @@ init/do_mounts.c:388:56: sparse: expected void [noderef] <asn:1> *data init/do_mounts.c:388:56: sparse: got void *data init/do_mounts.c:392:20: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected char const [noderef] <asn:1> *filename @@ got n:1> *filename @@ init/do_mounts.c:392:20: sparse: expected char const [noderef] <asn:1> *filename init/do_mounts.c:392:20: sparse: got char * init/do_mounts.h:19:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected char const [noderef] <asn:1> *pathname @@ got n:1> *pathname @@ init/do_mounts.h:19:21: sparse: expected char const [noderef] <asn:1> *pathname init/do_mounts.h:19:21: sparse: got char *name init/do_mounts.h:20:27: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected char const [noderef] <asn:1> *filename @@ got n:1> *filename @@ init/do_mounts.h:20:27: sparse: expected char const [noderef] <asn:1> *filename init/do_mounts.h:20:27: sparse: got char *name init/do_mounts.c:624:20: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected char const [noderef] <asn:1> *dev_name @@ got n:1> *dev_name @@ init/do_mounts.c:624:20: sparse: expected char const [noderef] <asn:1> *dev_name init/do_mounts.c:624:20: sparse: got char * init/do_mounts.c:624:25: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected char const [noderef] <asn:1> *dir_name @@ got n:1> *dir_name @@ init/do_mounts.c:624:25: sparse: expected char const [noderef] <asn:1> *dir_name init/do_mounts.c:624:25: sparse: got char * init/do_mounts.c:625:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected char const [noderef] <asn:1> *filename @@ got n:1> *filename @@ init/do_mounts.c:625:21: sparse: expected char const [noderef] <asn:1> *filename init/do_mounts.c:625:21: sparse: got char * -- init/do_mounts_initrd.c:52:19: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected char const [noderef] <asn:1> *filename @@ got n:1> *filename @@ init/do_mounts_initrd.c:52:19: sparse: expected char const [noderef] <asn:1> *filename init/do_mounts_initrd.c:52:19: sparse: got char * init/do_mounts_initrd.c:56:20: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected char const [noderef] <asn:1> *filename @@ got n:1> *filename @@ init/do_mounts_initrd.c:56:20: sparse: expected char const [noderef] <asn:1> *filename init/do_mounts_initrd.c:56:20: sparse: got char * >> init/do_mounts_initrd.c:57:20: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected char const [noderef] <asn:1> *dev_name @@ got n:1> *dev_name @@ >> init/do_mounts_initrd.c:57:20: sparse: expected char const [noderef] <asn:1> *dev_name init/do_mounts_initrd.c:57:20: sparse: got char * >> init/do_mounts_initrd.c:57:25: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected char const [noderef] <asn:1> *dir_name @@ got n:1> *dir_name @@ >> init/do_mounts_initrd.c:57:25: sparse: expected char const [noderef] <asn:1> *dir_name init/do_mounts_initrd.c:57:25: sparse: got char * init/do_mounts_initrd.c:58:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected char const [noderef] <asn:1> *filename @@ got n:1> *filename @@ init/do_mounts_initrd.c:58:21: sparse: expected char const [noderef] <asn:1> *filename init/do_mounts_initrd.c:58:21: sparse: got char * init/do_mounts.h:19:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected char const [noderef] <asn:1> *pathname @@ got n:1> *pathname @@ init/do_mounts.h:19:21: sparse: expected char const [noderef] <asn:1> *pathname init/do_mounts.h:19:21: sparse: got char *name init/do_mounts.h:20:27: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected char const [noderef] <asn:1> *filename @@ got n:1> *filename @@ init/do_mounts.h:20:27: sparse: expected char const [noderef] <asn:1> *filename init/do_mounts.h:20:27: sparse: got char *name init/do_mounts_initrd.c:74:20: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected char const [noderef] <asn:1> *pathname @@ got n:1> *pathname @@ init/do_mounts_initrd.c:74:20: sparse: expected char const [noderef] <asn:1> *pathname init/do_mounts_initrd.c:74:20: sparse: got char * init/do_mounts_initrd.c:75:20: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected char const [noderef] <asn:1> *filename @@ got n:1> *filename @@ init/do_mounts_initrd.c:75:20: sparse: expected char const [noderef] <asn:1> *filename init/do_mounts_initrd.c:75:20: sparse: got char * init/do_mounts_initrd.c:92:20: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected char const [noderef] <asn:1> *dev_name @@ got n:1> *dev_name @@ init/do_mounts_initrd.c:92:20: sparse: expected char const [noderef] <asn:1> *dev_name init/do_mounts_initrd.c:92:20: sparse: got char * init/do_mounts_initrd.c:92:26: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected char const [noderef] <asn:1> *dir_name @@ got n:1> *dir_name @@ init/do_mounts_initrd.c:92:26: sparse: expected char const [noderef] <asn:1> *dir_name init/do_mounts_initrd.c:92:26: sparse: got char * init/do_mounts_initrd.c:94:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected char const [noderef] <asn:1> *filename @@ got n:1> *filename @@ init/do_mounts_initrd.c:94:21: sparse: expected char const [noderef] <asn:1> *filename init/do_mounts_initrd.c:94:21: sparse: got char * init/do_mounts_initrd.c:97:28: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected char const [noderef] <asn:1> *filename @@ got n:1> *filename @@ init/do_mounts_initrd.c:97:28: sparse: expected char const [noderef] <asn:1> *filename init/do_mounts_initrd.c:97:28: sparse: got char * init/do_mounts_initrd.c:101:20: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected char const [noderef] <asn:1> *filename @@ got n:1> *filename @@ init/do_mounts_initrd.c:101:20: sparse: expected char const [noderef] <asn:1> *filename init/do_mounts_initrd.c:101:20: sparse: got char * init/do_mounts_initrd.c:106:28: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected char const [noderef] <asn:1> *dev_name @@ got n:1> *dev_name @@ init/do_mounts_initrd.c:106:28: sparse: expected char const [noderef] <asn:1> *dev_name init/do_mounts_initrd.c:106:28: sparse: got char * init/do_mounts_initrd.c:106:36: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected char const [noderef] <asn:1> *dir_name @@ got n:1> *dir_name @@ init/do_mounts_initrd.c:106:36: sparse: expected char const [noderef] <asn:1> *dir_name init/do_mounts_initrd.c:106:36: sparse: got char * init/do_mounts_initrd.c:110:36: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected char const [noderef] <asn:1> *filename @@ got n:1> *filename @@ init/do_mounts_initrd.c:110:36: sparse: expected char const [noderef] <asn:1> *filename init/do_mounts_initrd.c:110:36: sparse: got char * init/do_mounts_initrd.c:116:29: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected char [noderef] <asn:1> *name @@ got n:1> *name @@ init/do_mounts_initrd.c:116:29: sparse: expected char [noderef] <asn:1> *name init/do_mounts_initrd.c:116:29: sparse: got char * init/do_mounts.h:19:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected char const [noderef] <asn:1> *pathname @@ got n:1> *pathname @@ init/do_mounts.h:19:21: sparse: expected char const [noderef] <asn:1> *pathname init/do_mounts.h:19:21: sparse: got char *name init/do_mounts.h:20:27: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected char const [noderef] <asn:1> *filename @@ got n:1> *filename @@ init/do_mounts.h:20:27: sparse: expected char const [noderef] <asn:1> *filename init/do_mounts.h:20:27: sparse: got char *name init/do_mounts_initrd.c:139:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected char const [noderef] <asn:1> *pathname @@ got n:1> *pathname @@ init/do_mounts_initrd.c:139:37: sparse: expected char const [noderef] <asn:1> *pathname init/do_mounts_initrd.c:139:37: sparse: got char * init/do_mounts_initrd.c:144:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected char const [noderef] <asn:1> *pathname @@ got n:1> *pathname @@ init/do_mounts_initrd.c:144:21: sparse: expected char const [noderef] <asn:1> *pathname init/do_mounts_initrd.c:144:21: sparse: got char * vim +388 init/do_mounts.c ^1da177e4 Linus Torvalds 2005-04-16 384 ^1da177e4 Linus Torvalds 2005-04-16 385 static int __init do_mount_root(char *name, char *fs, int flags, void *data) ^1da177e4 Linus Torvalds 2005-04-16 386 { d8c9584ea Al Viro 2011-12-07 387 struct super_block *s; 312db1aa1 Dominik Brodowski 2018-03-11 @388 int err = ksys_mount(name, "/root", fs, flags, data); ^1da177e4 Linus Torvalds 2005-04-16 389 if (err) ^1da177e4 Linus Torvalds 2005-04-16 390 return err; ^1da177e4 Linus Torvalds 2005-04-16 391 447016e96 Dominik Brodowski 2018-03-11 392 ksys_chdir("/root"); d8c9584ea Al Viro 2011-12-07 393 s = current->fs->pwd.dentry->d_sb; d8c9584ea Al Viro 2011-12-07 394 ROOT_DEV = s->s_dev; 80cdc6dae Mandeep Singh Baines 2011-03-22 395 printk(KERN_INFO 80cdc6dae Mandeep Singh Baines 2011-03-22 396 "VFS: Mounted root (%s filesystem)%s on device %u:%u.\n", d8c9584ea Al Viro 2011-12-07 397 s->s_type->name, bc98a42c1 David Howells 2017-07-17 398 sb_rdonly(s) ? " readonly" : "", d8c9584ea Al Viro 2011-12-07 399 MAJOR(ROOT_DEV), MINOR(ROOT_DEV)); ^1da177e4 Linus Torvalds 2005-04-16 400 return 0; ^1da177e4 Linus Torvalds 2005-04-16 401 } ^1da177e4 Linus Torvalds 2005-04-16 402 :::::: The code at line 388 was first introduced by commit :::::: 312db1aa1dc7bff133d95c92efcc5e42b57cefa6 fs: add ksys_mount() helper; remove in-kernel calls to sys_mount() :::::: TO: Dominik Brodowski <linux@xxxxxxxxxxxxxxxxxxxx> :::::: CC: Dominik Brodowski <linux@xxxxxxxxxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
