src/http/ngx_http_upstream.c:3282: error: Integer Overflow L2
  ([0, +oo] - 1):unsigned32 by call to `ngx_http_upstream_finalize_request`.

src/http/ngx_http_upstream.c:3282:5: Call
3280.                    "cleanup http upstream request: \"%V\"", &r->uri);
3281. 
3282.     ngx_http_upstream_finalize_request(r, r->upstream, NGX_DONE);
          ^
3283. }
3284. 

src/http/ngx_http_upstream.c:3286:1: Parameter `r->main->count`
  3284. 
  3285. 
  3286. static void
        ^
  3287. ngx_http_upstream_finalize_request(ngx_http_request_t *r,
  3288.     ngx_http_upstream_t *u, ngx_int_t rc)

src/http/ngx_http_upstream.c:3419:5: Call
  3417.     }
  3418. 
  3419.     ngx_http_finalize_request(r, rc);
            ^
  3420. }
  3421. 

src/http/ngx_http_request.c:2198:1: Parameter `r->main->count`
    2196. 
    2197. 
    2198. void
          ^
    2199. ngx_http_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
    2200. {

src/http/ngx_http_request.c:2236:13: Call
    2234.         || c->error)
    2235.     {
    2236.         if (ngx_http_post_action(r) == NGX_OK) {
                      ^
    2237.             return;
    2238.         }

src/http/ngx_http_request.c:3256:1: <LHS trace>
3254. 
3255. 
3256. static ngx_int_t
      ^
3257. ngx_http_post_action(ngx_http_request_t *r)
3258. {

src/http/ngx_http_request.c:3256:1: Parameter `r->main->count`
      3254. 
      3255. 
      3256. static ngx_int_t
            ^
      3257. ngx_http_post_action(ngx_http_request_t *r)
      3258. {

src/http/ngx_http_request.c:3274:5: Binary operation: ([0, +oo] - 1):unsigned32 by call to `ngx_http_upstream_finalize_request` 
      3272.                    "post action: \"%V\"", &clcf->post_action);
      3273. 
      3274.     r->main->count--;
                ^
      3275. 
      3276.     r->http_version = NGX_HTTP_VERSION_9;
