src/http/ngx_http_request.c:1078: error: Integer Overflow L1
  (0 - 1):unsigned64 by call to `ngx_http_finalize_request`.

src/http/ngx_http_request.c:1074:13: Assignment
1072. 
1073.         if (ngx_http_parse_complex_uri(r, cscf->merge_slashes) != NGX_OK) {
1074.             r->uri.len = 0;
                  ^
1075. 
1076.             ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,

src/http/ngx_http_request.c:1078:13: Call
1076.             ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
1077.                           "client sent invalid request");
1078.             ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
                  ^
1079.             return NGX_ERROR;
1080.         }

src/http/ngx_http_request.c:2253:1: Parameter `r->uri.len`
  2251. 
  2252. 
  2253. void
        ^
  2254. ngx_http_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
  2255. {

src/http/ngx_http_request.c:2325:38: Call
  2323.         c->write->handler = ngx_http_request_handler;
  2324. 
  2325.         ngx_http_finalize_request(r, ngx_http_special_response_handler(r, rc));
                                             ^
  2326.         return;
  2327.     }

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:2592:1: Parameter `r->uri.len`
        2590. 
        2591. 
        2592. ngx_int_t
              ^
        2593. ngx_http_internal_redirect(ngx_http_request_t *r,
        2594.     ngx_str_t *uri, ngx_str_t *args)

src/http/ngx_http_core_module.c:2622:5: Call
        2620.                    "internal redirect: \"%V?%V\"", uri, &r->args);
        2621. 
        2622.     ngx_http_set_exten(r);
                  ^
        2623. 
        2624.     /* clear the modules contexts */

src/http/ngx_http_core_module.c:1794:1: <LHS trace>
1792. 
1793. 
1794. void
      ^
1795. ngx_http_set_exten(ngx_http_request_t *r)
1796. {

src/http/ngx_http_core_module.c:1794:1: Parameter `r->uri.len`
          1792. 
          1793. 
          1794. void
                ^
          1795. ngx_http_set_exten(ngx_http_request_t *r)
          1796. {

src/http/ngx_http_core_module.c:1801:10: Binary operation: (0 - 1):unsigned64 by call to `ngx_http_finalize_request` 
          1799.     ngx_str_null(&r->exten);
          1800. 
          1801.     for (i = r->uri.len - 1; i > 1; i--) {
                         ^
          1802.         if (r->uri.data[i] == '.' && r->uri.data[i - 1] != '/') {
          1803. 
