[dpdk-dev] [Bug 856] gcc12 build error, app/test-flow-perf

[bugzilla at dpdk.org]

https://bugs.dpdk.org/show_bug.cgi?id=856

            Bug ID: 856
           Summary: gcc12 build error, app/test-flow-perf
           Product: DPDK
           Version: 20.11
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: other
          Assignee: dev at dpdk.org
          Reporter: ferruh.yigit at intel.com
  Target Milestone: ---

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

[1/2] Compiling C object app/dpdk-test-flow-perf.p/test-flow-perf_main.c.o      
../app/test-flow-perf/main.c: In function ‘start_forwarding’:                   
../app/test-flow-perf/main.c:1565:28: warning: ‘sprintf’ may write a
terminating nul past the end of the destination [-Wformat-overflow=]            
 1565 |         sprintf(p[i++], "%d", (int)n);
      |                            ^                                            
In function ‘pretty_number’,                                                    
    inlined from ‘packet_per_second_stats’ at
../app/test-flow-perf/main.c:1620:4,                            
    inlined from ‘start_forwarding’ at ../app/test-flow-perf/main.c:1659:3:
../app/test-flow-perf/main.c:1565:9: note: ‘sprintf’ output between 2 and 5
bytes into a destination of size 4
 1565 |         sprintf(p[i++], "%d", (int)n);
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~             
../app/test-flow-perf/main.c: In function ‘start_forwarding’:
../app/test-flow-perf/main.c:1565:28: warning: ‘sprintf’ may write a
terminating nul past the end of the destination [-Wformat-overflow=]
 1565 |         sprintf(p[i++], "%d", (int)n);
      |                            ^
In function ‘pretty_number’,
    inlined from ‘packet_per_second_stats’ at
../app/test-flow-perf/main.c:1620:4,
    inlined from ‘start_forwarding’ at ../app/test-flow-perf/main.c:1659:3:
../app/test-flow-perf/main.c:1565:9: note: ‘sprintf’ output between 2 and 5
bytes into a destination of size 4
 1565 |         sprintf(p[i++], "%d", (int)n);
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../app/test-flow-perf/main.c: In function ‘start_forwarding’:
../app/test-flow-perf/main.c:1565:28: warning: ‘sprintf’ may write a
terminating nul past the end of the destination [-Wformat-overflow=]
 1565 |         sprintf(p[i++], "%d", (int)n);
      |                            ^
In function ‘pretty_number’,
    inlined from ‘packet_per_second_stats’ at
../app/test-flow-perf/main.c:1620:4,
    inlined from ‘start_forwarding’ at ../app/test-flow-perf/main.c:1659:3:
../app/test-flow-perf/main.c:1565:9: note: ‘sprintf’ output between 2 and 5
bytes into a destination of size 4
 1565 |         sprintf(p[i++], "%d", (int)n);
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../app/test-flow-perf/main.c: In function ‘start_forwarding’:
../app/test-flow-perf/main.c:1565:28: warning: ‘sprintf’ may write a
terminating nul past the end of the destination [-Wformat-overflow=]
 1565 |         sprintf(p[i++], "%d", (int)n);
      |                            ^
In function ‘pretty_number’,
    inlined from ‘packet_per_second_stats’ at
../app/test-flow-perf/main.c:1634:4,
    inlined from ‘start_forwarding’ at ../app/test-flow-perf/main.c:1659:3:
../app/test-flow-perf/main.c:1565:9: note: ‘sprintf’ output between 2 and 5
bytes into a destination of size 4
 1565 |         sprintf(p[i++], "%d", (int)n);
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../app/test-flow-perf/main.c: In function ‘start_forwarding’:
../app/test-flow-perf/main.c:1565:28: warning: ‘sprintf’ may write a
terminating nul past the end of the destination [-Wformat-overflow=]
 1565 |         sprintf(p[i++], "%d", (int)n);
      |                            ^
In function ‘pretty_number’,
    inlined from ‘packet_per_second_stats’ at
../app/test-flow-perf/main.c:1634:4,
    inlined from ‘start_forwarding’ at ../app/test-flow-perf/main.c:1659:3:
../app/test-flow-perf/main.c:1565:9: note: ‘sprintf’ output between 2 and 5
bytes into a destination of size 4
 1565 |         sprintf(p[i++], "%d", (int)n);
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../app/test-flow-perf/main.c: In function ‘start_forwarding’:
../app/test-flow-perf/main.c:1565:28: warning: ‘sprintf’ may write a
terminating nul past the end of the destination [-Wformat-overflow=]
 1565 |         sprintf(p[i++], "%d", (int)n);
      |                            ^
In function ‘pretty_number’,
    inlined from ‘packet_per_second_stats’ at
../app/test-flow-perf/main.c:1634:4,
    inlined from ‘start_forwarding’ at ../app/test-flow-perf/main.c:1659:3:
../app/test-flow-perf/main.c:1565:9: note: ‘sprintf’ output between 2 and 5
bytes into a destination of size 4
 1565 |         sprintf(p[i++], "%d", (int)n);
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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