src/http/ngx_http_request.c:1769: error: Integer Overflow L2
  ([0, `r->main->count`] - 1):unsigned32 by call to `ngx_http_finalize_request`.

src/http/ngx_http_request.c:1756:1: Parameter `r->main->count`
1754. 
1755. 
1756. ngx_int_t
      ^
1757. ngx_http_process_request_header(ngx_http_request_t *r)
1758. {

src/http/ngx_http_request.c:1769:9: Call
1767.         ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
1768.                    "client sent HTTP/1.1 request without \"Host\" header");
1769.         ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
              ^
1770.         return NGX_ERROR;
1771.     }

src/http/ngx_http_request.c:2249:1: Parameter `r->main->count`
  2247. 
  2248. 
  2249. void
        ^
  2250. ngx_http_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
  2251. {

src/http/ngx_http_request.c:2287:13: Call
  2285.         || c->error)
  2286.     {
  2287.         if (ngx_http_post_action(r) == NGX_OK) {
                    ^
  2288.             return;
  2289.         }

src/http/ngx_http_request.c:3340:1: <LHS trace>
3338. 
3339. 
3340. static ngx_int_t
      ^
3341. ngx_http_post_action(ngx_http_request_t *r)
3342. {

src/http/ngx_http_request.c:3340:1: Parameter `r->main->count`
    3338. 
    3339. 
    3340. static ngx_int_t
          ^
    3341. ngx_http_post_action(ngx_http_request_t *r)
    3342. {

src/http/ngx_http_request.c:3358:5: Binary operation: ([0, r->main->count] - 1):unsigned32 by call to `ngx_http_finalize_request` 
    3356.                    "post action: \"%V\"", &clcf->post_action);
    3357. 
    3358.     r->main->count--;
              ^
    3359. 
    3360.     r->http_version = NGX_HTTP_VERSION_9;
