[linux-next:master 13578/15025] drivers/scsi/bfa/bfa_fcs.c:826:4: warning: '%s' directive output may be truncated writing up to 63 bytes into a region of size between 44 and 122

[linux-next:master 13578/15025] drivers/scsi/bfa/bfa_fcs.c:826:4: warning: '%s' directive output may be truncated writing up to 63 bytes into a region of size between 44 and 122

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   b018686719706a781c45a874ed51374a2dc4b767
commit: 0a5b53c1e7276ffacf5153d06d442c4d7ab0c41d [13578/15025] scsi: bfa: Use snprintf() in bfa_fcs_fabric_nsymb_init()
config: s390-randconfig-2001-20261006 (https://download.01.org/0day-ci/archive/20261007/202610072037.kjdagNH7-lkp@intel.com/config)
compiler: s390-linux-gcc (GCC) 8.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261007/202610072037.kjdagNH7-lkp@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202610072037.kjdagNH7-lkp@intel.com/

All warnings (new ones prefixed by >>):

   drivers/scsi/bfa/bfa_fcs.c: In function 'bfa_fcs_fabric_nsymb_init':
>> drivers/scsi/bfa/bfa_fcs.c:826:4: warning: '%s' directive output may be truncated writing up to 63 bytes into a region of size between 44 and 122 [-Wformat-truncation=]
       "%s" BFA_FCS_PORT_SYMBNAME_SEPARATOR
       ^~~~
   drivers/scsi/bfa/bfa_fcs.c:828:5: note: format string is defined here
       "%s" BFA_FCS_PORT_SYMBNAME_SEPARATOR,
        ^~
   drivers/scsi/bfa/bfa_fcs.c:825:2: note: 'snprintf' output between 10 and 151 bytes into a destination of size 128
     snprintf(port_cfg->node_sym_name.symname, BFA_SYMNAME_MAXLEN,
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
       "%s" BFA_FCS_PORT_SYMBNAME_SEPARATOR
       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
       "%s" BFA_FCS_PORT_SYMBNAME_SEPARATOR
       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
       "%s" BFA_FCS_PORT_SYMBNAME_SEPARATOR,
       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
       model, (char *)driver_info->version,
       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
       driver_info->host_machine_name);
       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


vim +826 drivers/scsi/bfa/bfa_fcs.c

   811	
   812	/*
   813	 * Node Symbolic Name Creation for base port and all vports
   814	 */
   815	void
   816	bfa_fcs_fabric_nsymb_init(struct bfa_fcs_fabric_s *fabric)
   817	{
   818		struct bfa_lport_cfg_s *port_cfg = &fabric->bport.port_cfg;
   819		char model[BFA_ADAPTER_MODEL_NAME_LEN] = {0};
   820		struct bfa_fcs_driver_info_s *driver_info = &fabric->fcs->driver_info;
   821	
   822		bfa_ioc_get_adapter_model(&fabric->fcs->bfa->ioc, model);
   823	
   824		/* Model name/number, Driver Version, Host machine name */
   825		snprintf(port_cfg->node_sym_name.symname, BFA_SYMNAME_MAXLEN,
 > 826			 "%s" BFA_FCS_PORT_SYMBNAME_SEPARATOR
   827			 "%s" BFA_FCS_PORT_SYMBNAME_SEPARATOR
   828			 "%s" BFA_FCS_PORT_SYMBNAME_SEPARATOR,
   829			 model, (char *)driver_info->version,
   830			 driver_info->host_machine_name);
   831	}
   832	

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