src/http/ngx_http_script.c:1056: error: Integer Overflow L2
  ([0, +oo] - 1):unsigned64 by call to `ngx_http_set_exten`.

src/http/ngx_http_script.c:1056:9: Call
1054.         }
1055. 
1056.         ngx_http_set_exten(r);
              ^
1057.     }
1058. 

src/http/ngx_http_core_module.c:1715:1: <LHS trace>
1713. 
1714. 
1715. void
      ^
1716. ngx_http_set_exten(ngx_http_request_t *r)
1717. {

src/http/ngx_http_core_module.c:1715:1: Parameter `r->uri.len`
  1713. 
  1714. 
  1715. void
        ^
  1716. ngx_http_set_exten(ngx_http_request_t *r)
  1717. {

src/http/ngx_http_core_module.c:1722:10: Binary operation: ([0, +oo] - 1):unsigned64 by call to `ngx_http_set_exten` 
  1720.     ngx_str_null(&r->exten);
  1721. 
  1722.     for (i = r->uri.len - 1; i > 1; i--) {
                 ^
  1723.         if (r->uri.data[i] == '.' && r->uri.data[i - 1] != '/') {
  1724. 
