[patched kernel #1, unprivileged uid 1001, same session style]
--- dict:    vquotactl returned 0, syscall completed normally   rc=0
--- false:   vquotactl returned 0, syscall completed normally   rc=0
--- true:    vquotactl returned 0, syscall completed normally   rc=0
--- number:  vquotactl returned 0, syscall completed normally   rc=0
--- string:  vquotactl returned 0, syscall completed normally   rc=0
20x false on patched kernel: 20/20 clean returns ; uptime healthy
NOTE: returns 0 (not 22) because sys_vquotactl's `error` is reassigned at the
done: label (prop_dictionary_set/copyout return 0) — the DF-0144 error-clobber
family; the memory-safety violation is gone regardless.