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* [dpdk-dev] [Bug 854] gcc12 build error, common/cnxk
@ 2021-10-28 12:26 bugzilla
  2022-03-15 16:44 ` bugzilla
  0 siblings, 1 reply; 2+ messages in thread
From: bugzilla @ 2021-10-28 12:26 UTC (permalink / raw)
  To: dev

https://bugs.dpdk.org/show_bug.cgi?id=854

            Bug ID: 854
           Summary: gcc12 build error, common/cnxk
           Product: DPDK
           Version: 20.11
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: other
          Assignee: dev@dpdk.org
          Reporter: ferruh.yigit@intel.com
  Target Milestone: ---

With gcc 12.0.0 "gcc (GCC) 12.0.0 20211024 (experimental)"

In function ‘npc_prep_mcam_ldata’,
    inlined from ‘npc_update_extraction_data’ at
../drivers/common/cnxk/roc_npc_utils.c:195:2:
../drivers/common/cnxk/roc_npc_utils.c:13:26: warning: writing 32 bytes into a
region of size 0 [-Wstringop-overflow=]
   13 |                 ptr[idx] = data[len - 1 - idx];
      |                 ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~
../drivers/common/cnxk/roc_npc_utils.c: In function
‘npc_update_extraction_data’:
../drivers/common/cnxk/roc_npc_utils.c:163:17: note: at offset 64 into
destination object ‘int_info’ of size 64
  163 |         uint8_t int_info[NPC_MAX_EXTRACT_DATA_LEN];
      |                 ^~~~~~~~
In function ‘npc_prep_mcam_ldata’,
    inlined from ‘npc_update_extraction_data’ at
../drivers/common/cnxk/roc_npc_utils.c:195:2:
../drivers/common/cnxk/roc_npc_utils.c:13:26: warning: writing 32 bytes into a
region of size 0 [-Wstringop-overflow=]
   13 |                 ptr[idx] = data[len - 1 - idx];
      |                 ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~
../drivers/common/cnxk/roc_npc_utils.c: In function
‘npc_update_extraction_data’:
../drivers/common/cnxk/roc_npc_utils.c:163:17: note: at offset [96, 127] into
destination object ‘int_info’ of size 64
  163 |         uint8_t int_info[NPC_MAX_EXTRACT_DATA_LEN];
      |                 ^~~~~~~~
In function ‘npc_prep_mcam_ldata’,
    inlined from ‘npc_update_extraction_data’ at
../drivers/common/cnxk/roc_npc_utils.c:195:2:
../drivers/common/cnxk/roc_npc_utils.c:13:26: warning: writing 32 bytes into a
region of size 0 [-Wstringop-overflow=]
   13 |                 ptr[idx] = data[len - 1 - idx];
      |                 ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~
../drivers/common/cnxk/roc_npc_utils.c: In function
‘npc_update_extraction_data’:
../drivers/common/cnxk/roc_npc_utils.c:163:17: note: at offset [128, 159] into
destination object ‘int_info’ of size 64
  163 |         uint8_t int_info[NPC_MAX_EXTRACT_DATA_LEN];
      |                 ^~~~~~~~
In function ‘npc_prep_mcam_ldata’,
    inlined from ‘npc_update_extraction_data’ at
../drivers/common/cnxk/roc_npc_utils.c:195:2:
../drivers/common/cnxk/roc_npc_utils.c:13:26: warning: writing 32 bytes into a
region of size 0 [-Wstringop-overflow=]
   13 |                 ptr[idx] = data[len - 1 - idx];
      |                 ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~
../drivers/common/cnxk/roc_npc_utils.c: In function
‘npc_update_extraction_data’:
../drivers/common/cnxk/roc_npc_utils.c:163:17: note: at offset [160, 191] into
destination object ‘int_info’ of size 64
  163 |         uint8_t int_info[NPC_MAX_EXTRACT_DATA_LEN];
      |                 ^~~~~~~~
In function ‘npc_prep_mcam_ldata’,
    inlined from ‘npc_update_extraction_data’ at
../drivers/common/cnxk/roc_npc_utils.c:195:2:
../drivers/common/cnxk/roc_npc_utils.c:13:26: warning: writing 32 bytes into a
region of size 0 [-Wstringop-overflow=]
   13 |                 ptr[idx] = data[len - 1 - idx];
      |                 ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~
../drivers/common/cnxk/roc_npc_utils.c: In function
‘npc_update_extraction_data’:
../drivers/common/cnxk/roc_npc_utils.c:163:17: note: at offset [192, 223] into
destination object ‘int_info’ of size 64
  163 |         uint8_t int_info[NPC_MAX_EXTRACT_DATA_LEN];
      |                 ^~~~~~~~
In function ‘npc_prep_mcam_ldata’,
    inlined from ‘npc_update_extraction_data’ at
../drivers/common/cnxk/roc_npc_utils.c:197:2:
../drivers/common/cnxk/roc_npc_utils.c:13:26: warning: writing 32 bytes into a
region of size 0 [-Wstringop-overflow=]
   13 |                 ptr[idx] = data[len - 1 - idx];
      |                 ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~
../drivers/common/cnxk/roc_npc_utils.c: In function
‘npc_update_extraction_data’:
../drivers/common/cnxk/roc_npc_utils.c:162:17: note: at offset 64 into
destination object ‘int_info_mask’ of size 64
  162 |         uint8_t int_info_mask[NPC_MAX_EXTRACT_DATA_LEN];
      |                 ^~~~~~~~~~~~~
In function ‘npc_prep_mcam_ldata’,
    inlined from ‘npc_update_extraction_data’ at
../drivers/common/cnxk/roc_npc_utils.c:197:2:
../drivers/common/cnxk/roc_npc_utils.c:13:26: warning: writing 32 bytes into a
region of size 0 [-Wstringop-overflow=]
   13 |                 ptr[idx] = data[len - 1 - idx];
      |                 ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~
../drivers/common/cnxk/roc_npc_utils.c: In function
‘npc_update_extraction_data’:
../drivers/common/cnxk/roc_npc_utils.c:162:17: note: at offset [96, 127] into
destination object ‘int_info_mask’ of size 64
  162 |         uint8_t int_info_mask[NPC_MAX_EXTRACT_DATA_LEN];
      |                 ^~~~~~~~~~~~~
In function ‘npc_prep_mcam_ldata’,
    inlined from ‘npc_update_extraction_data’ at
../drivers/common/cnxk/roc_npc_utils.c:197:2:
../drivers/common/cnxk/roc_npc_utils.c:13:26: warning: writing 32 bytes into a
region of size 0 [-Wstringop-overflow=]
   13 |                 ptr[idx] = data[len - 1 - idx];
      |                 ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~
../drivers/common/cnxk/roc_npc_utils.c: In function
‘npc_update_extraction_data’:
../drivers/common/cnxk/roc_npc_utils.c:162:17: note: at offset [128, 159] into
destination object ‘int_info_mask’ of size 64
  162 |         uint8_t int_info_mask[NPC_MAX_EXTRACT_DATA_LEN];
      |                 ^~~~~~~~~~~~~
In function ‘npc_prep_mcam_ldata’,
    inlined from ‘npc_update_extraction_data’ at
../drivers/common/cnxk/roc_npc_utils.c:197:2:
../drivers/common/cnxk/roc_npc_utils.c:13:26: warning: writing 32 bytes into a
region of size 0 [-Wstringop-overflow=]
   13 |                 ptr[idx] = data[len - 1 - idx];
      |                 ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~
../drivers/common/cnxk/roc_npc_utils.c: In function
‘npc_update_extraction_data’:
../drivers/common/cnxk/roc_npc_utils.c:162:17: note: at offset [160, 191] into
destination object ‘int_info_mask’ of size 64
  162 |         uint8_t int_info_mask[NPC_MAX_EXTRACT_DATA_LEN];
      |                 ^~~~~~~~~~~~~
In function ‘npc_prep_mcam_ldata’,
    inlined from ‘npc_update_extraction_data’ at
../drivers/common/cnxk/roc_npc_utils.c:197:2:
../drivers/common/cnxk/roc_npc_utils.c:13:26: warning: writing 32 bytes into a
region of size 0 [-Wstringop-overflow=]
   13 |                 ptr[idx] = data[len - 1 - idx];
      |                 ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~
../drivers/common/cnxk/roc_npc_utils.c: In function
‘npc_update_extraction_data’:
../drivers/common/cnxk/roc_npc_utils.c:162:17: note: at offset [192, 223] into
destination object ‘int_info_mask’ of size 64
  162 |         uint8_t int_info_mask[NPC_MAX_EXTRACT_DATA_LEN];
      |                 ^~~~~~~~~~~~~

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