Hi Mickaël, kernel test robot noticed the following build warnings: [auto build test WARNING on pcmoore-selinux/next] [also build test WARNING on linus/master v6.11-rc3] [cannot apply to brauner-vfs/vfs.all next-20240813] [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/Micka-l-Sala-n/fs-security-Fix-file_set_fowner-LSM-hook-inconsistencies/20240813-004648 base: https://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux.git next patch link: https://lore.kernel.org/r/20240812144936.1616628-1-mic%40digikod.net patch subject: [PATCH] fs,security: Fix file_set_fowner LSM hook inconsistencies config: x86_64-randconfig-122-20240813 (https://download.01.org/0day-ci/archive/20240813/202408131900.xhbYFHR4-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.3.0-12) 11.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240813/202408131900.xhbYFHR4-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202408131900.xhbYFHR4-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> fs/file_table.c:153:25: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct cred const [noderef] __rcu *cred @@ got struct cred const * @@ fs/file_table.c:153:25: sparse: expected struct cred const [noderef] __rcu *cred fs/file_table.c:153:25: sparse: got struct cred const * >> fs/file_table.c:157:36: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct cred const *cred @@ got struct cred const [noderef] __rcu *cred @@ fs/file_table.c:157:36: sparse: expected struct cred const *cred fs/file_table.c:157:36: sparse: got struct cred const [noderef] __rcu *cred fs/file_table.c:69:28: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct cred const *cred @@ got struct cred const [noderef] __rcu *cred @@ fs/file_table.c:69:28: sparse: expected struct cred const *cred fs/file_table.c:69:28: sparse: got struct cred const [noderef] __rcu *cred fs/file_table.c:69:28: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct cred const *cred @@ got struct cred const [noderef] __rcu *cred @@ fs/file_table.c:69:28: sparse: expected struct cred const *cred fs/file_table.c:69:28: sparse: got struct cred const [noderef] __rcu *cred vim +153 fs/file_table.c 147 148 static int init_file(struct file *f, int flags, const struct cred *cred) 149 { 150 int error; 151 152 f->f_cred = get_cred(cred); > 153 f->f_owner.cred = get_cred(cred); 154 error = security_file_alloc(f); 155 if (unlikely(error)) { 156 put_cred(f->f_cred); > 157 put_cred(f->f_owner.cred); 158 return error; 159 } 160 161 rwlock_init(&f->f_owner.lock); 162 spin_lock_init(&f->f_lock); 163 mutex_init(&f->f_pos_lock); 164 f->f_flags = flags; 165 f->f_mode = OPEN_FMODE(flags); 166 /* f->f_version: 0 */ 167 168 /* 169 * We're SLAB_TYPESAFE_BY_RCU so initialize f_count last. While 170 * fget-rcu pattern users need to be able to handle spurious 171 * refcount bumps we should reinitialize the reused file first. 172 */ 173 atomic_long_set(&f->f_count, 1); 174 return 0; 175 } 176 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki