src/http/ngx_http_upstream.c:2336: error: Integer Overflow L2
  ([0, `r->main->count` + 8] - 1):unsigned32 by call to `ngx_http_upstream_send_response`.

src/http/ngx_http_upstream.c:2192:1: Parameter `r->main->count`
2190. 
2191. 
2192. static void
      ^
2193. ngx_http_upstream_process_header(ngx_http_request_t *r, ngx_http_upstream_t *u)
2194. {

src/http/ngx_http_upstream.c:2332:9: Call
2330.     }
2331. 
2332.     if (ngx_http_upstream_process_headers(r, u) != NGX_OK) {
              ^
2333.         return;
2334.     }

src/http/ngx_http_upstream.c:2595:1: Parameter `r->main->count`
  2593. 
  2594. 
  2595. static ngx_int_t
        ^
  2596. ngx_http_upstream_process_headers(ngx_http_request_t *r, ngx_http_upstream_t *u)
  2597. {

src/http/ngx_http_upstream.c:2336:5: Call
2334.     }
2335. 
2336.     ngx_http_upstream_send_response(r, u);
          ^
2337. }
2338. 

src/http/ngx_http_upstream.c:2738:1: Parameter `r->main->count`
  2736. 
  2737. 
  2738. static void
        ^
  2739. ngx_http_upstream_send_response(ngx_http_request_t *r, ngx_http_upstream_t *u)
  2740. {

src/http/ngx_http_upstream.c:2780:13: Call
  2778. 
  2779.         if (!u->cacheable && !u->store) {
  2780.             ngx_http_upstream_finalize_request(r, u, rc);
                    ^
  2781.             return;
  2782.         }

src/http/ngx_http_upstream.c:4130:1: Parameter `r->main->count`
    4128. 
    4129. 
    4130. static void
          ^
    4131. ngx_http_upstream_finalize_request(ngx_http_request_t *r,
    4132.     ngx_http_upstream_t *u, ngx_int_t rc)

src/http/ngx_http_upstream.c:4141:9: Call
    4139.     if (u->cleanup == NULL) {
    4140.         /* the request was already finalized */
    4141.         ngx_http_finalize_request(r, NGX_DONE);
                  ^
    4142.         return;
    4143.     }

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:2345:13: Call
      2343.         || c->error)
      2344.     {
      2345.         if (ngx_http_post_action(r) == NGX_OK) {
                        ^
      2346.             return;
      2347.         }

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, r->main->count + 8] - 1):unsigned32 by call to `ngx_http_upstream_send_response` 
        3407.                    "post action: \"%V\"", &clcf->post_action);
        3408. 
        3409.     r->main->count--;
                  ^
        3410. 
        3411.     r->http_version = NGX_HTTP_VERSION_9;
