src/http/ngx_http_upstream.c:4116: error: Integer Overflow L2
  ([0, `r->uri.len`] - 1):unsigned64 by call to `ngx_http_upstream_finalize_request`.

src/http/ngx_http_upstream.c:4015:1: Parameter `r->uri.len`
4013. 
4014. 
4015. static void
      ^
4016. ngx_http_upstream_next(ngx_http_request_t *r, ngx_http_upstream_t *u,
4017.     ngx_uint_t ft_type)

src/http/ngx_http_upstream.c:4116:13: Call
4114.             }
4115. 
4116.             ngx_http_upstream_finalize_request(r, u, rc);
                  ^
4117.             return;
4118.         }

src/http/ngx_http_upstream.c:4163:1: Parameter `r->uri.len`
  4161. 
  4162. 
  4163. static void
        ^
  4164. ngx_http_upstream_finalize_request(ngx_http_request_t *r,
  4165.     ngx_http_upstream_t *u, ngx_int_t rc)

src/http/ngx_http_upstream.c:4174:9: Call
  4172.     if (u->cleanup == NULL) {
  4173.         /* the request was already finalized */
  4174.         ngx_http_finalize_request(r, NGX_DONE);
                ^
  4175.         return;
  4176.     }

src/http/ngx_http_request.c:2292:1: Parameter `r->uri.len`
    2290. 
    2291. 
    2292. void
          ^
    2293. ngx_http_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
    2294. {

src/http/ngx_http_request.c:2360:38: Call
    2358.         c->write->handler = ngx_http_request_handler;
    2359. 
    2360.         ngx_http_finalize_request(r, ngx_http_special_response_handler(r, rc));
                                               ^
    2361.         return;
    2362.     }

src/http/ngx_http_special_response.c:415:1: Parameter `r->uri.len`
      413. 
      414. 
      415. ngx_int_t
           ^
      416. ngx_http_special_response_handler(ngx_http_request_t *r, ngx_int_t error)
      417. {

src/http/ngx_http_special_response.c:466:24: Call
      464.         for (i = 0; i < clcf->error_pages->nelts; i++) {
      465.             if (err_page[i].status == error) {
      466.                 return ngx_http_send_error_page(r, &err_page[i]);
                                  ^
      467.             }
      468.         }

src/http/ngx_http_special_response.c:583:1: Parameter `r->uri.len`
        581. 
        582. 
        583. static ngx_int_t
             ^
        584. ngx_http_send_error_page(ngx_http_request_t *r, ngx_http_err_page_t *err_page)
        585. {

src/http/ngx_http_special_response.c:619:16: Call
        617.         }
        618. 
        619.         return ngx_http_internal_redirect(r, &uri, &args);
                            ^
        620.     }
        621. 

src/http/ngx_http_core_module.c:2596:1: Parameter `r->uri.len`
          2594. 
          2595. 
          2596. ngx_int_t
                ^
          2597. ngx_http_internal_redirect(ngx_http_request_t *r,
          2598.     ngx_str_t *uri, ngx_str_t *args)

src/http/ngx_http_core_module.c:2626:5: Call
          2624.                    "internal redirect: \"%V?%V\"", uri, &r->args);
          2625. 
          2626.     ngx_http_set_exten(r);
                    ^
          2627. 
          2628.     /* clear the modules contexts */

src/http/ngx_http_core_module.c:1776:1: <LHS trace>
1774. 
1775. 
1776. void
      ^
1777. ngx_http_set_exten(ngx_http_request_t *r)
1778. {

src/http/ngx_http_core_module.c:1776:1: Parameter `r->uri.len`
            1774. 
            1775. 
            1776. void
                  ^
            1777. ngx_http_set_exten(ngx_http_request_t *r)
            1778. {

src/http/ngx_http_core_module.c:1783:10: Binary operation: ([0, r->uri.len] - 1):unsigned64 by call to `ngx_http_upstream_finalize_request` 
            1781.     ngx_str_null(&r->exten);
            1782. 
            1783.     for (i = r->uri.len - 1; i > 1; i--) {
                           ^
            1784.         if (r->uri.data[i] == '.' && r->uri.data[i - 1] != '/') {
            1785. 
