Hi Casey,

kernel test robot noticed the following build errors:

[auto build test ERROR on pcmoore-selinux/next]
[also build test ERROR on linus/master v6.14-rc6 next-20250307]
[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/Casey-Schaufler/Audit-Create-audit_stamp-structure/20250308-024950
base:   https://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux.git next
patch link:    
https://lore.kernel.org/r/20250307183701.16970-7-casey%40schaufler-ca.com
patch subject: [PATCH v2 6/6] Audit: Add record for multiple object contexts
config: s390-randconfig-r073-20250310 
(https://download.01.org/0day-ci/archive/20250310/[email protected]/config)
compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 
3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff)
reproduce (this is a W=1 build): 
(https://download.01.org/0day-ci/archive/20250310/[email protected]/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 <[email protected]>
| Closes: 
https://lore.kernel.org/oe-kbuild-all/[email protected]/

All errors (new ones prefixed by >>):

   s390x-linux-ld: kernel/audit.o: in function `audit_log_object_context':
>> kernel/audit.c:2312:(.text+0x2da6): undefined reference to `lsm_objctx_cnt'
>> s390x-linux-ld: kernel/audit.c:2329:(.text+0x30d2): undefined reference to 
>> `lsm_active_cnt'
   s390x-linux-ld: kernel/audit.c:(.text+0x3108): undefined reference to 
`lsm_active_cnt'
>> s390x-linux-ld: kernel/audit.c:2330:(.text+0x313e): undefined reference to 
>> `lsm_idlist'
>> s390x-linux-ld: kernel/audit.c:2312:(.text+0x32f2): undefined reference to 
>> `lsm_objctx_cnt'
   s390x-linux-ld: kernel/audit.c:2312:(.text+0x330a): undefined reference to 
`lsm_objctx_cnt'
   s390x-linux-ld: kernel/audit.c:2329:(.text+0x33a4): undefined reference to 
`lsm_active_cnt'
   s390x-linux-ld: kernel/audit.c:2329:(.text+0x33bc): undefined reference to 
`lsm_active_cnt'


vim +2312 kernel/audit.c

  2303  
  2304  int audit_log_object_context(struct audit_buffer *ab, struct lsm_prop 
*prop)
  2305  {
  2306          int i;
  2307          int rc;
  2308          int error = 0;
  2309          char *space = "";
  2310          struct lsm_context context;
  2311  
> 2312          if (lsm_objctx_cnt < 2) {
  2313                  error = security_lsmprop_to_secctx(prop, &context,
  2314                                                     LSM_ID_UNDEF);
  2315                  if (error < 0) {
  2316                          if (error != -EINVAL)
  2317                                  goto error_path;
  2318                          return error;
  2319                  }
  2320                  audit_log_format(ab, " obj=%s", context.context);
  2321                  security_release_secctx(&context);
  2322                  return 0;
  2323          }
  2324          audit_log_format(ab, " obj=?");
  2325          error = audit_buffer_aux_new(ab, AUDIT_MAC_OBJ_CONTEXTS);
  2326          if (error)
  2327                  goto error_path;
  2328  
> 2329          for (i = 0; i < lsm_active_cnt; i++) {
> 2330                  if (!lsm_idlist[i]->objctx)
  2331                          continue;
  2332                  rc = security_lsmprop_to_secctx(prop, &context,
  2333                                                  lsm_idlist[i]->id);
  2334                  if (rc < 0) {
  2335                          audit_log_format(ab, "%sobj_%s=?", space,
  2336                                           lsm_idlist[i]->name);
  2337                          if (rc != -EINVAL)
  2338                                  audit_panic("error in 
audit_log_object_context");
  2339                          error = rc;
  2340                  } else {
  2341                          audit_log_format(ab, "%sobj_%s=%s", space,
  2342                                           lsm_idlist[i]->name, 
context.context);
  2343                          security_release_secctx(&context);
  2344                  }
  2345                  space = " ";
  2346          }
  2347  
  2348          audit_buffer_aux_end(ab);
  2349          return error;
  2350  
  2351  error_path:
  2352          audit_panic("error in audit_log_object_context");
  2353          return error;
  2354  }
  2355  

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https://github.com/intel/lkp-tests/wiki

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