char bootargs[CONFIG_SYS_CBSIZE] = "";
char finalbootargs[CONFIG_SYS_CBSIZE];
+ if (strlen(label->append ?: "") +
+ strlen(ip_str) + strlen(mac_str) + 1 > sizeof(bootargs)) {
+ printf("bootarg overflow %zd+%zd+%zd+1 > %zd\n",
+ strlen(label->append ?: ""),
+ strlen(ip_str), strlen(mac_str),
+ sizeof(bootargs));
+ return 1;
+ }
+
if (label->append)
strcpy(bootargs, label->append);
strcat(bootargs, ip_str);