drivers/crypto/intel/qat/qat_common/adf_mstate_mgr.h:16:41: warning: '%x' directive output may be truncated writing between 1 and 8 bytes into a region of size 5

drivers/crypto/intel/qat/qat_common/adf_mstate_mgr.h:16:41: warning: '%x' directive output may be truncated writing between 1 and 8 bytes into a region of size 5

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   9f35e33144ae5377d6a8de86dd3bd4d995c6ac65
commit: f0bbfc391aa7eaa796f09ee40dd1cd78c6c81960 crypto: qat - implement interface for live migration
date:   1 year, 1 month ago
config: x86_64-randconfig-2005-20250514 (https://download.01.org/0day-ci/archive/20250514/202505141312.bKZ7SW4V-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-12) 11.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250514/202505141312.bKZ7SW4V-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/202505141312.bKZ7SW4V-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from drivers/crypto/intel/qat/qat_common/adf_gen4_vf_mig.c:16:
   drivers/crypto/intel/qat/qat_common/adf_gen4_vf_mig.c: In function 'adf_gen4_vfmig_load_state':
>> drivers/crypto/intel/qat/qat_common/adf_mstate_mgr.h:16:41: warning: '%x' directive output may be truncated writing between 1 and 8 bytes into a region of size 5 [-Wformat-truncation=]
      16 | #define ADF_MSTATE_BANK_IDX_IDS         "bnk"
         |                                         ^~~~~
   drivers/crypto/intel/qat/qat_common/adf_gen4_vf_mig.c:381:46: note: in expansion of macro 'ADF_MSTATE_BANK_IDX_IDS'
     381 |         snprintf(bank_ids, sizeof(bank_ids), ADF_MSTATE_BANK_IDX_IDS "%x", bank_nr);
         |                                              ^~~~~~~~~~~~~~~~~~~~~~~
   drivers/crypto/intel/qat/qat_common/adf_gen4_vf_mig.c:608:71: note: format string is defined here
     608 |         snprintf(bank_ids, sizeof(bank_ids), ADF_MSTATE_BANK_IDX_IDS "%x", bank_nr);
         |                                                                       ^~
   In file included from drivers/crypto/intel/qat/qat_common/adf_gen4_vf_mig.c:16:
   drivers/crypto/intel/qat/qat_common/adf_mstate_mgr.h:16:41: note: directive argument in the range [0, 2147483646]
      16 | #define ADF_MSTATE_BANK_IDX_IDS         "bnk"
         |                                         ^~~~~
   drivers/crypto/intel/qat/qat_common/adf_gen4_vf_mig.c:381:46: note: in expansion of macro 'ADF_MSTATE_BANK_IDX_IDS'
     381 |         snprintf(bank_ids, sizeof(bank_ids), ADF_MSTATE_BANK_IDX_IDS "%x", bank_nr);
         |                                              ^~~~~~~~~~~~~~~~~~~~~~~
   drivers/crypto/intel/qat/qat_common/adf_gen4_vf_mig.c:381:9: note: 'snprintf' output between 5 and 12 bytes into a destination of size 8
     381 |         snprintf(bank_ids, sizeof(bank_ids), ADF_MSTATE_BANK_IDX_IDS "%x", bank_nr);
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   In file included from drivers/crypto/intel/qat/qat_common/adf_gen4_vf_mig.c:16:
   drivers/crypto/intel/qat/qat_common/adf_gen4_vf_mig.c: In function 'adf_gen4_vfmig_save_etr':
>> drivers/crypto/intel/qat/qat_common/adf_mstate_mgr.h:16:41: warning: '%x' directive output may be truncated writing between 1 and 8 bytes into a region of size 5 [-Wformat-truncation=]
      16 | #define ADF_MSTATE_BANK_IDX_IDS         "bnk"
         |                                         ^~~~~
   drivers/crypto/intel/qat/qat_common/adf_gen4_vf_mig.c:608:46: note: in expansion of macro 'ADF_MSTATE_BANK_IDX_IDS'
     608 |         snprintf(bank_ids, sizeof(bank_ids), ADF_MSTATE_BANK_IDX_IDS "%x", bank_nr);
         |                                              ^~~~~~~~~~~~~~~~~~~~~~~
   drivers/crypto/intel/qat/qat_common/adf_gen4_vf_mig.c:608:71: note: format string is defined here
     608 |         snprintf(bank_ids, sizeof(bank_ids), ADF_MSTATE_BANK_IDX_IDS "%x", bank_nr);
         |                                                                       ^~
   In file included from drivers/crypto/intel/qat/qat_common/adf_gen4_vf_mig.c:16:
   drivers/crypto/intel/qat/qat_common/adf_mstate_mgr.h:16:41: note: directive argument in the range [0, 2147483646]
      16 | #define ADF_MSTATE_BANK_IDX_IDS         "bnk"
         |                                         ^~~~~
   drivers/crypto/intel/qat/qat_common/adf_gen4_vf_mig.c:608:46: note: in expansion of macro 'ADF_MSTATE_BANK_IDX_IDS'
     608 |         snprintf(bank_ids, sizeof(bank_ids), ADF_MSTATE_BANK_IDX_IDS "%x", bank_nr);
         |                                              ^~~~~~~~~~~~~~~~~~~~~~~
   drivers/crypto/intel/qat/qat_common/adf_gen4_vf_mig.c:608:9: note: 'snprintf' output between 5 and 12 bytes into a destination of size 8
     608 |         snprintf(bank_ids, sizeof(bank_ids), ADF_MSTATE_BANK_IDX_IDS "%x", bank_nr);
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


vim +16 drivers/crypto/intel/qat/qat_common/adf_mstate_mgr.h

    15	
  > 16	#define ADF_MSTATE_BANK_IDX_IDS		"bnk"
    17	

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