[*] DF-0949 mlockall UAF race (v4 - heavy churn)
[*] 256 single-page entries, run 60s
[*] RLIMIT_MEMLOCK: soft=9223372036854775807 hard=9223372036854775807
[*] racing for 60 seconds (panic expected on vulnerable kernel)...
[*] mlockall stats: ok=0 eagain=0 err=18632045 (errno sample=1)
[+] no panic observed in this run