src/http/ngx_http_request.c:1064: error: Integer Overflow L2
  ([0, +oo] - 1):unsigned64 by call to `ngx_http_read_request_header`.

src/http/ngx_http_request.c:1071:14: Unknown value from: ngx_http_parse_header_line
1069.         }
1070. 
1071.         rc = ngx_http_parse_header_line(r, r->header_in,
                   ^
1072.                                         cscf->underscores_in_headers);
1073. 

src/http/ngx_http_request.c:1064:17: Call
1062.             }
1063. 
1064.             n = ngx_http_read_request_header(r);
                      ^
1065. 
1066.             if (n == NGX_AGAIN || n == NGX_ERROR) {

src/http/ngx_http_request.c:1175:1: Parameter `r->uri.len`
  1173. 
  1174. 
  1175. static ssize_t
        ^
  1176. ngx_http_read_request_header(ngx_http_request_t *r)
  1177. {

src/http/ngx_http_request.c:1222:9: Call
  1220.         c->log->action = "reading client request headers";
  1221. 
  1222.         ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
                ^
  1223.         return NGX_ERROR;
  1224.     }

src/http/ngx_http_request.c:2010:1: Parameter `r->uri.len`
    2008. 
    2009. 
    2010. void
          ^
    2011. ngx_http_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
    2012. {

src/http/ngx_http_request.c:2082:38: Call
    2080.         c->write->handler = ngx_http_request_handler;
    2081. 
    2082.         ngx_http_finalize_request(r, ngx_http_special_response_handler(r, rc));
                                               ^
    2083.         return;
    2084.     }

src/http/ngx_http_special_response.c:365:1: Parameter `r->uri.len`
      363. 
      364. 
      365. ngx_int_t
           ^
      366. ngx_http_special_response_handler(ngx_http_request_t *r, ngx_int_t error)
      367. {

src/http/ngx_http_special_response.c:416:24: Call
      414.         for (i = 0; i < clcf->error_pages->nelts; i++) {
      415.             if (err_page[i].status == error) {
      416.                 return ngx_http_send_error_page(r, &err_page[i]);
                                  ^
      417.             }
      418.         }

src/http/ngx_http_special_response.c:534:1: Parameter `r->uri.len`
        532. 
        533. 
        534. static ngx_int_t
             ^
        535. ngx_http_send_error_page(ngx_http_request_t *r, ngx_http_err_page_t *err_page)
        536. {

src/http/ngx_http_special_response.c:570:16: Call
        568.         }
        569. 
        570.         return ngx_http_internal_redirect(r, &uri, &args);
                            ^
        571.     }
        572. 

src/http/ngx_http_core_module.c:2540:1: Parameter `r->uri.len`
          2538. 
          2539. 
          2540. ngx_int_t
                ^
          2541. ngx_http_internal_redirect(ngx_http_request_t *r,
          2542.     ngx_str_t *uri, ngx_str_t *args)

src/http/ngx_http_core_module.c:2570:5: Call
          2568.                    "internal redirect: \"%V?%V\"", uri, &r->args);
          2569. 
          2570.     ngx_http_set_exten(r);
                    ^
          2571. 
          2572.     /* clear the modules contexts */

src/http/ngx_http_core_module.c:1795:1: <LHS trace>
1793. 
1794. 
1795. void
      ^
1796. ngx_http_set_exten(ngx_http_request_t *r)
1797. {

src/http/ngx_http_core_module.c:1795:1: Parameter `r->uri.len`
            1793. 
            1794. 
            1795. void
                  ^
            1796. ngx_http_set_exten(ngx_http_request_t *r)
            1797. {

src/http/ngx_http_core_module.c:1802:10: Binary operation: ([0, +oo] - 1):unsigned64 by call to `ngx_http_read_request_header` 
            1800.     ngx_str_null(&r->exten);
            1801. 
            1802.     for (i = r->uri.len - 1; i > 1; i--) {
                           ^
            1803.         if (r->uri.data[i] == '.' && r->uri.data[i - 1] != '/') {
            1804. 
