if ((unsigned long) (pid_t) p != p)
return -ERANGE;
+ if (p <= 1)
+ return -ERANGE;
+
if (kill((pid_t) p, 0) < 0 && errno != EPERM) {
log_warning("PID %llu read from file %s does not exist. Your service or init script might be broken.",
(unsigned long long) p, s->pid_file);