src/http/modules/ngx_http_proxy_module.c:3061: error: Buffer Overrun L2
  Offset: [2, 28] Size: 28 by call to `ngx_http_script_compile`.

src/http/modules/ngx_http_proxy_module.c:2969:9: Assignment
2967. 
2968.         ngx_str_set(&s->key, "Content-Length");
2969.         ngx_str_set(&s->value, "$proxy_internal_body_length");
              ^
2970.     }
2971. 

src/http/modules/ngx_http_proxy_module.c:3061:17: Call
3059.             sc.values = &conf->headers_set;
3060. 
3061.             if (ngx_http_script_compile(&sc) != NGX_OK) {
                      ^
3062.                 return NGX_ERROR;
3063.             }

src/http/ngx_http_script.c:335:1: <Offset trace>
333. 
334. 
335. ngx_int_t
     ^
336. ngx_http_script_compile(ngx_http_script_compile_t *sc)
337. {

src/http/ngx_http_script.c:335:1: Parameter `sc->source->len`
  333. 
  334. 
  335. ngx_int_t
       ^
  336. ngx_http_script_compile(ngx_http_script_compile_t *sc)
  337. {

src/http/ngx_http_script.c:335:1: <Length trace>
333. 
334. 
335. ngx_int_t
     ^
336. ngx_http_script_compile(ngx_http_script_compile_t *sc)
337. {

src/http/ngx_http_script.c:335:1: Parameter `*sc->source->data`
  333. 
  334. 
  335. ngx_int_t
       ^
  336. ngx_http_script_compile(ngx_http_script_compile_t *sc)
  337. {

src/http/ngx_http_script.c:388:17: Array access: Offset: [2, 28] Size: 28 by call to `ngx_http_script_compile` 
  386.                 }
  387. 
  388.                 name.data = &sc->source->data[i];
                       ^
  389. 
  390.             } else {
