7:30 a.m.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git keys-acl
head: 2a3c3edfc979691a7dc4733da827f508da90995a
commit: d1aa67ba9c4d53ddb95f6b5ec73968287df65fb4 [4/5] keys: Split the search perms
between KEY_NEED_USE and KEY_NEED_SEARCH
config: arc-randconfig-s032-20200716 (attached as .config)
compiler: arc-elf-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: v0.6.2-49-g707c5017-dirty
git checkout d1aa67ba9c4d53ddb95f6b5ec73968287df65fb4
# 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=arc
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
sparse warnings: (new ones prefixed by >>)
> fs/crypto/keyring.c:145:32: sparse: sparse: not enough arguments
for function keyring_search
vim +145 fs/crypto/keyring.c
23c688b54016ee Eric Biggers 2019-08-04 133
23c688b54016ee Eric Biggers 2019-08-04 134 /* Search ->s_master_keys or ->mk_users
*/
22d94f493bfb40 Eric Biggers 2019-08-04 135 static struct key
*search_fscrypt_keyring(struct key *keyring,
22d94f493bfb40 Eric Biggers 2019-08-04 136 struct key_type *type,
22d94f493bfb40 Eric Biggers 2019-08-04 137 const char *description)
22d94f493bfb40 Eric Biggers 2019-08-04 138 {
22d94f493bfb40 Eric Biggers 2019-08-04 139 /*
22d94f493bfb40 Eric Biggers 2019-08-04 140 * We need to mark the keyring reference as
"possessed" so that we
22d94f493bfb40 Eric Biggers 2019-08-04 141 * acquire permission to search it, via the
KEY_POS_SEARCH permission.
22d94f493bfb40 Eric Biggers 2019-08-04 142 */
22d94f493bfb40 Eric Biggers 2019-08-04 143 key_ref_t keyref = make_key_ref(keyring,
true /* possessed */);
22d94f493bfb40 Eric Biggers 2019-08-04 144
22d94f493bfb40 Eric Biggers 2019-08-04 @145 keyref = keyring_search(keyref, type,
description, false);
22d94f493bfb40 Eric Biggers 2019-08-04 146 if (IS_ERR(keyref)) {
22d94f493bfb40 Eric Biggers 2019-08-04 147 if (PTR_ERR(keyref) == -EAGAIN || /* not
found */
22d94f493bfb40 Eric Biggers 2019-08-04 148 PTR_ERR(keyref) == -EKEYREVOKED) /*
recently invalidated */
22d94f493bfb40 Eric Biggers 2019-08-04 149 keyref = ERR_PTR(-ENOKEY);
22d94f493bfb40 Eric Biggers 2019-08-04 150 return ERR_CAST(keyref);
22d94f493bfb40 Eric Biggers 2019-08-04 151 }
22d94f493bfb40 Eric Biggers 2019-08-04 152 return key_ref_to_ptr(keyref);
22d94f493bfb40 Eric Biggers 2019-08-04 153 }
22d94f493bfb40 Eric Biggers 2019-08-04 154
:::::: The code at line 145 was first introduced by commit
:::::: 22d94f493bfb408fdd764f7b1d0363af2122fba5 fscrypt: add FS_IOC_ADD_ENCRYPTION_KEY
ioctl
:::::: TO: Eric Biggers <ebiggers(a)google.com>
:::::: CC: Eric Biggers <ebiggers(a)google.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org