CID 358309: Integer handling issues in tests/bench/siphash.c
!6789 (merged) added the siphash benchmark. Coverity Scan reports a possible undefined behavior issue in it:
/tests/bench/siphash.c: 54 in main()
48 count++;
49 }
50
51 isc_time_now_hires(&finish);
52
53 us = isc_time_microdiff(&finish, &start);
>>> CID 358309: Integer handling issues (DIVIDE_BY_ZERO)
>>> In expression "count * 1000UL / us", division by expression "us" which may be zero has undefined behavior.
54 printf("%f us wide-lower len %3zu, %7llu kh/s (%llx)\n",
55 (double)us / 1000000.0, len,
56 (unsigned long long)(count * 1000 / us),
57 (unsigned long long)sum);
58 }
59