src/http/ngx_http_upstream.c:651: error: Integer Overflow L2
  ([0, 3+max(64532, `r->main->count`)] - 1):unsigned32 by call to `ngx_http_upstream_finalize_request`.

src/http/ngx_http_upstream.c:538:1: Parameter `r->main->count`
536. 
537. 
538. static void
     ^
539. ngx_http_upstream_init_request(ngx_http_request_t *r)
540. {

src/http/ngx_http_upstream.c:651:13: Call
649.         u->state = ngx_array_push(r->upstream_states);
650.         if (u->state == NULL) {
651.             ngx_http_upstream_finalize_request(r, u,
                 ^
652.                                                NGX_HTTP_INTERNAL_SERVER_ERROR);
653.             return;

src/http/ngx_http_upstream.c:4247:1: Parameter `r->main->count`
  4245. 
  4246. 
  4247. static void
        ^
  4248. ngx_http_upstream_finalize_request(ngx_http_request_t *r,
  4249.     ngx_http_upstream_t *u, ngx_int_t rc)

src/http/ngx_http_upstream.c:4392:9: Call
  4390. 
  4391.     if (r->header_only) {
  4392.         ngx_http_finalize_request(r, rc);
                ^
  4393.         return;
  4394.     }

src/http/ngx_http_request.c:2307:1: Parameter `r->main->count`
    2305. 
    2306. 
    2307. void
          ^
    2308. ngx_http_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
    2309. {

src/http/ngx_http_request.c:2488:9: Call
    2486.     }
    2487. 
    2488.     if (ngx_http_post_action(r) == NGX_OK) {
                  ^
    2489.         return;
    2490.     }

src/http/ngx_http_request.c:3391:1: <LHS trace>
3389. 
3390. 
3391. static ngx_int_t
      ^
3392. ngx_http_post_action(ngx_http_request_t *r)
3393. {

src/http/ngx_http_request.c:3391:1: Parameter `r->main->count`
      3389. 
      3390. 
      3391. static ngx_int_t
            ^
      3392. ngx_http_post_action(ngx_http_request_t *r)
      3393. {

src/http/ngx_http_request.c:3409:5: Binary operation: ([0, 3+max(64532, r->main->count)] - 1):unsigned32 by call to `ngx_http_upstream_finalize_request` 
      3407.                    "post action: \"%V\"", &clcf->post_action);
      3408. 
      3409.     r->main->count--;
                ^
      3410. 
      3411.     r->http_version = NGX_HTTP_VERSION_9;
