src/http/ngx_http_upstream.c:1012: error: Integer Overflow L2
  ([0, +oo] - 1):unsigned32 by call to `ngx_http_upstream_finalize_request`.

src/http/ngx_http_upstream.c:1007:9: Call
1005. 
1006.     if (ctx->state) {
1007.         ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
              ^
1008.                       "%V could not be resolved (%i: %s)",
1009.                       &ctx->name, ctx->state,

src/core/ngx_log.c:78:1: Parameter `log->next->disk_full_time`
  76. #if (NGX_HAVE_VARIADIC_MACROS)
  77. 
  78. void
      ^
  79. ngx_log_error_core(ngx_uint_t level, ngx_log_t *log, ngx_err_t err,
  80.     const char *fmt, ...)

src/http/ngx_http_upstream.c:1012:9: Call
1010.                       ngx_resolver_strerror(ctx->state));
1011. 
1012.         ngx_http_upstream_finalize_request(r, u, NGX_HTTP_BAD_GATEWAY);
              ^
1013.         goto failed;
1014.     }

src/http/ngx_http_upstream.c:3737:1: Parameter `r->main->count`
  3735. 
  3736. 
  3737. static void
        ^
  3738. ngx_http_upstream_finalize_request(ngx_http_request_t *r,
  3739.     ngx_http_upstream_t *u, ngx_int_t rc)

src/http/ngx_http_upstream.c:3864:9: Call
  3862.         || rc == NGX_HTTP_CLIENT_CLOSED_REQUEST)
  3863.     {
  3864.         ngx_http_finalize_request(r, rc);
                ^
  3865.         return;
  3866.     }

src/http/ngx_http_request.c:2248:1: <LHS trace>
2246. 
2247. 
2248. void
      ^
2249. ngx_http_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
2250. {

src/http/ngx_http_request.c:2248:1: Parameter `r->main->count`
    2246. 
    2247. 
    2248. void
          ^
    2249. ngx_http_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
    2250. {

src/http/ngx_http_request.c:2339:13: Binary operation: ([0, +oo] - 1):unsigned32 by call to `ngx_http_upstream_finalize_request` 
    2337.         if (r == c->data) {
    2338. 
    2339.             r->main->count--;
                      ^
    2340.             r->main->subrequests++;
    2341. 
