src/http/ngx_http_request.c:697: error: Integer Overflow L2
  ([0, +oo] - 1):unsigned64 by call to `ngx_http_read_request_header`.

src/http/ngx_http_request.c:704:14: Unknown value from: ngx_http_parse_request_line
702.         }
703. 
704.         rc = ngx_http_parse_request_line(r, r->header_in);
                  ^
705. 
706.         if (rc == NGX_OK) {

src/http/ngx_http_request.c:697:17: Call
695. 
696.         if (rc == NGX_AGAIN) {
697.             n = ngx_http_read_request_header(r);
                     ^
698. 
699.             if (n == NGX_AGAIN || n == NGX_ERROR) {

src/http/ngx_http_request.c:1064:1: Parameter `r->uri.len`
  1062. 
  1063. 
  1064. static ssize_t
        ^
  1065. ngx_http_read_request_header(ngx_http_request_t *r)
  1066. {

src/http/ngx_http_request.c:1111:9: Call
  1109.         c->log->action = "reading client request headers";
  1110. 
  1111.         ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
                ^
  1112.         return NGX_ERROR;
  1113.     }

src/http/ngx_http_request.c:1831:1: Parameter `r->uri.len`
    1829. 
    1830. 
    1831. void
          ^
    1832. ngx_http_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
    1833. {

src/http/ngx_http_request.c:1904:38: Call
    1902.         c->write->handler = ngx_http_request_handler;
    1903. 
    1904.         ngx_http_finalize_request(r, ngx_http_special_response_handler(r, rc));
                                               ^
    1905.         return;
    1906.     }

src/http/ngx_http_special_response.c:333:1: Parameter `r->uri.len`
      331. 
      332. 
      333. ngx_int_t
           ^
      334. ngx_http_special_response_handler(ngx_http_request_t *r, ngx_int_t error)
      335. {

src/http/ngx_http_special_response.c:383:24: Call
      381.         for (i = 0; i < clcf->error_pages->nelts; i++) {
      382.             if (err_page[i].status == error) {
      383.                 return ngx_http_send_error_page(r, &err_page[i]);
                                  ^
      384.             }
      385.         }

src/http/ngx_http_special_response.c:504:1: Parameter `r->uri.len`
        502. 
        503. 
        504. static ngx_int_t
             ^
        505. ngx_http_send_error_page(ngx_http_request_t *r, ngx_http_err_page_t *err_page)
        506. {

src/http/ngx_http_special_response.c:540:16: Call
        538.         }
        539. 
        540.         return ngx_http_internal_redirect(r, &uri, &args);
                            ^
        541.     }
        542. 

src/http/ngx_http_core_module.c:2163:1: Parameter `r->uri.len`
          2161. 
          2162. 
          2163. ngx_int_t
                ^
          2164. ngx_http_internal_redirect(ngx_http_request_t *r,
          2165.     ngx_str_t *uri, ngx_str_t *args)

src/http/ngx_http_core_module.c:2194:5: Call
          2192.                    "internal redirect: \"%V?%V\"", uri, &r->args);
          2193. 
          2194.     ngx_http_set_exten(r);
                    ^
          2195. 
          2196.     /* clear the modules contexts */

src/http/ngx_http_core_module.c:1672:1: <LHS trace>
1670. 
1671. 
1672. void
      ^
1673. ngx_http_set_exten(ngx_http_request_t *r)
1674. {

src/http/ngx_http_core_module.c:1672:1: Parameter `r->uri.len`
            1670. 
            1671. 
            1672. void
                  ^
            1673. ngx_http_set_exten(ngx_http_request_t *r)
            1674. {

src/http/ngx_http_core_module.c:1680:10: Binary operation: ([0, +oo] - 1):unsigned64 by call to `ngx_http_read_request_header` 
            1678.     r->exten.data = NULL;
            1679. 
            1680.     for (i = r->uri.len - 1; i > 1; i--) {
                           ^
            1681.         if (r->uri.data[i] == '.' && r->uri.data[i - 1] != '/') {
            1682. 
