src/http/ngx_http_upstream.c:603: error: Integer Overflow L2
  ([0, 3+max(64535, `r->main->count`)] - 1):unsigned32 by call to `ngx_http_finalize_request`.

src/http/ngx_http_upstream.c:549:1: Parameter `r->main->count`
547. 
548. 
549. static void
     ^
550. ngx_http_upstream_init_request(ngx_http_request_t *r)
551. {

src/http/ngx_http_upstream.c:572:14: Call
570.         ngx_int_t  rc;
571. 
572.         rc = ngx_http_upstream_cache(r, u);
                  ^
573. 
574.         if (rc == NGX_BUSY) {

src/http/ngx_http_upstream.c:812:1: Parameter `r->main->count`
  810. #if (NGX_HTTP_CACHE)
  811. 
  812. static ngx_int_t
       ^
  813. ngx_http_upstream_cache(ngx_http_request_t *r, ngx_http_upstream_t *u)
  814. {

src/http/ngx_http_upstream.c:603:13: Call
601. 
602.         if (rc != NGX_DECLINED) {
603.             ngx_http_finalize_request(r, rc);
                 ^
604.             return;
605.         }

src/http/ngx_http_request.c:2412:1: Parameter `r->main->count`
  2410. 
  2411. 
  2412. void
        ^
  2413. ngx_http_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
  2414. {

src/http/ngx_http_request.c:2594:9: Call
  2592.     }
  2593. 
  2594.     if (ngx_http_post_action(r) == NGX_OK) {
                ^
  2595.         return;
  2596.     }

src/http/ngx_http_request.c:3501:1: <LHS trace>
3499. 
3500. 
3501. static ngx_int_t
      ^
3502. ngx_http_post_action(ngx_http_request_t *r)
3503. {

src/http/ngx_http_request.c:3501:1: Parameter `r->main->count`
    3499. 
    3500. 
    3501. static ngx_int_t
          ^
    3502. ngx_http_post_action(ngx_http_request_t *r)
    3503. {

src/http/ngx_http_request.c:3519:5: Binary operation: ([0, 3+max(64535, r->main->count)] - 1):unsigned32 by call to `ngx_http_finalize_request` 
    3517.                    "post action: \"%V\"", &clcf->post_action);
    3518. 
    3519.     r->main->count--;
              ^
    3520. 
    3521.     r->http_version = NGX_HTTP_VERSION_9;
