[*] vm.stats.vm.v_free_count baseline: 869818
[*] (a) firing 2000 x NGM_ASCII2BINARY unterminated quote (~5000 B leaked per call expected)
[*] (a) first sendto returned EINVAL (expected; leak occurs on the error path)
[+] (a) free pages: 869818 -> 869536 (delta 282 pages = 1 MB)
[*] (b) firing 1500 x NGM_BINARY2ASCII 20KB non-default (20 KB leaked per call expected)
[*] (b) first sendto returned ERANGE (expected; workBuf leak occurs on the error path)
[+] (b) free pages now: 839496 (delta from (a): 30040 pages = 117 MB; expected ~29 MB)
[*] done