Re: [PATCH v28 12/25] LSM: Use lsmblob in security_cred_getsecid

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Hi Casey,

I love your patch! Perhaps something to improve:

[auto build test WARNING on pcmoore-audit/next]
[also build test WARNING on nf/master linus/master v5.14-rc2 next-20210723]
[cannot apply to nf-next/master security/next-testing]
[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/LSM-Infrastructure-management-of-the-sock-security/20210722-094735
base:   https://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit.git next
config: i386-randconfig-s002-20210722 (attached as .config)
compiler: gcc-10 (Ubuntu 10.3.0-1ubuntu1~20.04) 10.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.3-341-g8af24329-dirty
        # https://github.com/0day-ci/linux/commit/7a5105a372e90078ee746d774c21979cfb9fcaf6
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Casey-Schaufler/LSM-Infrastructure-management-of-the-sock-security/20210722-094735
        git checkout 7a5105a372e90078ee746d774c21979cfb9fcaf6
        # save the attached .config to linux build tree
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 SHELL=/bin/bash

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


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:2181:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/audit.c:2181:9: sparse:     expected struct spinlock [usertype] *lock
   kernel/audit.c:2181:9: sparse:     got struct spinlock [noderef] __rcu *
   kernel/audit.c:2184:40: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/audit.c:2184:40: sparse:     expected struct spinlock [usertype] *lock
   kernel/audit.c:2184:40: 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, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

Attachment: .config.gz
Description: application/gzip


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