src/http/ngx_http_request.c:962: error: Integer Overflow L2
  ([0, +oo] - 1):unsigned64 by call to `ngx_http_finalize_request`.

src/http/ngx_http_request.c:949:22: Call
947.             if (r->header_in->pos == r->header_in->end) {
948. 
949.                 rv = ngx_http_alloc_large_header_buffer(r, 0);
                          ^
950. 
951.                 if (rv == NGX_ERROR) {

src/http/ngx_http_request.c:1147:1: Parameter `*r->header_in->pos`
  1145. 
  1146. 
  1147. static ngx_int_t
        ^
  1148. ngx_http_alloc_large_header_buffer(ngx_http_request_t *r,
  1149.     ngx_uint_t request_line)

src/http/ngx_http_request.c:962:25: Call
960.                         ngx_log_error(NGX_LOG_INFO, c->log, 0,
961.                                       "client sent too large request");
962.                         ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
                             ^
963.                         return;
964.                     }

src/http/ngx_http_request.c:1835:1: Parameter `r->uri.len`
  1833. 
  1834. 
  1835. void
        ^
  1836. ngx_http_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
  1837. {

src/http/ngx_http_request.c:1908:38: Call
  1906.         c->write->handler = ngx_http_request_handler;
  1907. 
  1908.         ngx_http_finalize_request(r, ngx_http_special_response_handler(r, rc));
                                             ^
  1909.         return;
  1910.     }

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:2149:1: Parameter `r->uri.len`
        2147. 
        2148. 
        2149. ngx_int_t
              ^
        2150. ngx_http_internal_redirect(ngx_http_request_t *r,
        2151.     ngx_str_t *uri, ngx_str_t *args)

src/http/ngx_http_core_module.c:2180:5: Call
        2178.                    "internal redirect: \"%V?%V\"", uri, &r->args);
        2179. 
        2180.     ngx_http_set_exten(r);
                  ^
        2181. 
        2182.     /* clear the modules contexts */

src/http/ngx_http_core_module.c:1666:1: <LHS trace>
1664. 
1665. 
1666. void
      ^
1667. ngx_http_set_exten(ngx_http_request_t *r)
1668. {

src/http/ngx_http_core_module.c:1666:1: Parameter `r->uri.len`
          1664. 
          1665. 
          1666. void
                ^
          1667. ngx_http_set_exten(ngx_http_request_t *r)
          1668. {

src/http/ngx_http_core_module.c:1674:10: Binary operation: ([0, +oo] - 1):unsigned64 by call to `ngx_http_finalize_request` 
          1672.     r->exten.data = NULL;
          1673. 
          1674.     for (i = r->uri.len - 1; i > 1; i--) {
                         ^
          1675.         if (r->uri.data[i] == '.' && r->uri.data[i - 1] != '/') {
          1676. 
