src/http/ngx_http_upstream.c:713: error: Integer Overflow L2
  ([0, 3+max(64532, `r->main->count`)] - 1):unsigned32 by call to `ngx_http_upstream_connect`.

src/http/ngx_http_upstream.c:536:1: Parameter `r->main->count`
534. 
535. 
536. static void
     ^
537. ngx_http_upstream_init_request(ngx_http_request_t *r)
538. {

src/http/ngx_http_upstream.c:713:13: Call
711.             }
712. 
713.             ngx_http_upstream_connect(r, u);
                 ^
714. 
715.             return;

src/http/ngx_http_upstream.c:1460:1: Parameter `r->main->count`
  1458. 
  1459. 
  1460. static void
        ^
  1461. ngx_http_upstream_connect(ngx_http_request_t *r, ngx_http_upstream_t *u)
  1462. {

src/http/ngx_http_upstream.c:1500:9: Call
  1498.     if (rc == NGX_BUSY) {
  1499.         ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "no live upstreams");
  1500.         ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_NOLIVE);
                ^
  1501.         return;
  1502.     }

src/http/ngx_http_upstream.c:4015:1: Parameter `r->main->count`
    4013. 
    4014. 
    4015. static void
          ^
    4016. ngx_http_upstream_next(ngx_http_request_t *r, ngx_http_upstream_t *u,
    4017.     ngx_uint_t ft_type)

src/http/ngx_http_upstream.c:4082:9: Call
    4080. 
    4081.     if (r->connection->error) {
    4082.         ngx_http_upstream_finalize_request(r, u,
                  ^
    4083.                                            NGX_HTTP_CLIENT_CLOSED_REQUEST);
    4084.         return;

src/http/ngx_http_upstream.c:4163:1: Parameter `r->main->count`
      4161. 
      4162. 
      4163. static void
            ^
      4164. ngx_http_upstream_finalize_request(ngx_http_request_t *r,
      4165.     ngx_http_upstream_t *u, ngx_int_t rc)

src/http/ngx_http_upstream.c:4308:9: Call
      4306. 
      4307.     if (r->header_only) {
      4308.         ngx_http_finalize_request(r, rc);
                    ^
      4309.         return;
      4310.     }

src/http/ngx_http_request.c:2292:1: Parameter `r->main->count`
        2290. 
        2291. 
        2292. void
              ^
        2293. ngx_http_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
        2294. {

src/http/ngx_http_request.c:2330:13: Call
        2328.         || c->error)
        2329.     {
        2330.         if (ngx_http_post_action(r) == NGX_OK) {
                          ^
        2331.             return;
        2332.         }

src/http/ngx_http_request.c:3376:1: <LHS trace>
3374. 
3375. 
3376. static ngx_int_t
      ^
3377. ngx_http_post_action(ngx_http_request_t *r)
3378. {

src/http/ngx_http_request.c:3376:1: Parameter `r->main->count`
          3374. 
          3375. 
          3376. static ngx_int_t
                ^
          3377. ngx_http_post_action(ngx_http_request_t *r)
          3378. {

src/http/ngx_http_request.c:3394:5: Binary operation: ([0, 3+max(64532, r->main->count)] - 1):unsigned32 by call to `ngx_http_upstream_connect` 
          3392.                    "post action: \"%V\"", &clcf->post_action);
          3393. 
          3394.     r->main->count--;
                    ^
          3395. 
          3396.     r->http_version = NGX_HTTP_VERSION_9;
