Re: [PATCH v33 13/29] LSM: Use lsmblob in security_cred_getsecid

kernel test robot
2022-03-12T04:51:49Z

Hi Casey,

I love your patch! Perhaps something to improve:

[auto build test WARNING on pcmoore-audit/next]
[also build test WARNING on linus/master v5.17-rc7]
[cannot apply to pcmoore-selinux/next jmorris-security/next-testing next-20220310]
[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]

url: https://github.com/0day-ci/linux/commits/Casey-Schaufler/integrity-disassociate-ima_filter_rule-from-security_audit_rule/20220311-084644
base: https://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit.git next
config: microblaze-randconfig-s031-20220310 (https://download.01.org/0day-ci/archive/20220312/202203121225.Ab2lmSD3-lkp@intel.com/config)
compiler: microblaze-linux-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://github.com/0day-ci/linux/commit/77c3979bacdff1630a3c6211db065f2c79412621
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Casey-Schaufler/integrity-disassociate-ima_filter_rule-from-security_audit_rule/20220311-084644
git checkout 77c3979bacdff1630a3c6211db065f2c79412621
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=microblaze SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

sparse warnings: (new ones prefixed by >>)
>> kernel/audit.c:128:25: sparse: sparse: symbol 'audit_sig_lsm' was not declared. Should it be static?
kernel/audit.c:2197:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/audit.c:2197:9: sparse: expected struct spinlock [usertype] *lock
kernel/audit.c:2197:9: sparse: got struct spinlock [noderef] __rcu *
kernel/audit.c:2200:40: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/audit.c:2200:40: sparse: expected struct spinlock [usertype] *lock
kernel/audit.c:2200:40: sparse: got struct spinlock [noderef] __rcu *

vim +/audit_sig_lsm +128 kernel/audit.c

124
125 /* The identity of the user shutting down the audit system. */
126 static kuid_t audit_sig_uid = INVALID_UID;
127 static pid_t audit_sig_pid = -1;
> 128 struct lsmblob audit_sig_lsm;
129

---
0-DAY CI Kernel Test Service