src/http/ngx_http_core_module.c:2113: error: Integer Overflow L2
  ([0, +oo] - 1):unsigned64 by call to `ngx_http_set_exten`.

src/http/ngx_http_core_module.c:2113:5: Call
2111.     sr->http_protocol = r->http_protocol;
2112. 
2113.     ngx_http_set_exten(sr);
          ^
2114. 
2115.     sr->main = r->main;

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_set_exten` 
  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. 
