src/http/modules/ngx_http_fastcgi_module.c:3549: error: Integer Overflow L2
  ([0, 9223372036854775800] + [0, 9]):signed64 by call to `ngx_http_upstream_add`.

src/http/modules/ngx_http_fastcgi_module.c:3544:5: Unknown value from: __infer_skip
3542.     }
3543. 
3544.     ngx_memzero(&u, sizeof(ngx_url_t));
          ^
3545. 
3546.     u.url = value[1];

src/http/modules/ngx_http_fastcgi_module.c:3549:31: Call
3547.     u.no_resolve = 1;
3548. 
3549.     flcf->upstream.upstream = ngx_http_upstream_add(cf, &u, 0);
                                    ^
3550.     if (flcf->upstream.upstream == NULL) {
3551.         return NGX_CONF_ERROR;

src/http/ngx_http_upstream.c:5968:1: Parameter `*u->url.data`
  5966. 
  5967. 
  5968. ngx_http_upstream_srv_conf_t *
        ^
  5969. ngx_http_upstream_add(ngx_conf_t *cf, ngx_url_t *u, ngx_uint_t flags)
  5970. {

src/http/ngx_http_upstream.c:5978:13: Call
  5976.     if (!(flags & NGX_HTTP_UPSTREAM_CREATE)) {
  5977. 
  5978.         if (ngx_parse_url(cf->pool, u) != NGX_OK) {
                    ^
  5979.             if (u->err) {
  5980.                 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,

src/core/ngx_inet.c:683:1: Parameter `*u->url.data`
    681. 
    682. 
    683. ngx_int_t
         ^
    684. ngx_parse_url(ngx_pool_t *pool, ngx_url_t *u)
    685. {

src/core/ngx_inet.c:700:12: Call
    698.     }
    699. 
    700.     return ngx_parse_inet_url(pool, u);
                    ^
    701. }
    702. 

src/core/ngx_inet.c:782:1: Parameter `*u->url.data`
      780. 
      781. 
      782. static ngx_int_t
           ^
      783. ngx_parse_inet_url(ngx_pool_t *pool, ngx_url_t *u)
      784. {

src/core/ngx_inet.c:800:12: Call
      798.     last = host + u->url.len;
      799. 
      800.     port = ngx_strlchr(host, last, ':');
                      ^
      801. 
      802.     uri = ngx_strlchr(host, last, '/');

src/core/ngx_string.h:67:1: Parameter `c`
        65. #define ngx_strchr(s1, c)   strchr((const char *) s1, (int) c)
        66. 
        67. static ngx_inline u_char *
            ^
        68. ngx_strlchr(u_char *p, u_char *last, u_char c)
        69. {

src/core/ngx_inet.c:802:11: Call
      800.     port = ngx_strlchr(host, last, ':');
      801. 
      802.     uri = ngx_strlchr(host, last, '/');
                     ^
      803. 
      804.     args = ngx_strlchr(host, last, '?');

src/core/ngx_string.h:67:1: Parameter `c`
        65. #define ngx_strchr(s1, c)   strchr((const char *) s1, (int) c)
        66. 
        67. static ngx_inline u_char *
            ^
        68. ngx_strlchr(u_char *p, u_char *last, u_char c)
        69. {

src/core/ngx_inet.c:804:12: Call
      802.     uri = ngx_strlchr(host, last, '/');
      803. 
      804.     args = ngx_strlchr(host, last, '?');
                      ^
      805. 
      806.     if (args) {

src/core/ngx_string.h:67:1: Parameter `c`
        65. #define ngx_strchr(s1, c)   strchr((const char *) s1, (int) c)
        66. 
        67. static ngx_inline u_char *
            ^
        68. ngx_strlchr(u_char *p, u_char *last, u_char c)
        69. {

src/core/ngx_inet.c:834:20: Call
      832. 
      833.         if (u->listen) {
      834.             dash = ngx_strlchr(port, last, '-');
                              ^
      835. 
      836.             if (dash) {

src/core/ngx_string.h:67:1: Parameter `c`
        65. #define ngx_strchr(s1, c)   strchr((const char *) s1, (int) c)
        66. 
        67. static ngx_inline u_char *
            ^
        68. ngx_strlchr(u_char *p, u_char *last, u_char c)
        69. {

src/core/ngx_inet.c:839:21: Call
      837.                 dash++;
      838. 
      839.                 n = ngx_atoi(dash, last - dash);
                               ^
      840. 
      841.                 if (n < 1 || n > 65535) {

src/core/ngx_string.c:926:5: <LHS trace>
924.     }
925. 
926.     cutoff = NGX_MAX_INT_T_VALUE / 10;
         ^
927.     cutlim = NGX_MAX_INT_T_VALUE % 10;
928. 

src/core/ngx_string.c:926:5: Assignment
        924.     }
        925. 
        926.     cutoff = NGX_MAX_INT_T_VALUE / 10;
                 ^
        927.     cutlim = NGX_MAX_INT_T_VALUE % 10;
        928. 

src/core/ngx_string.c:917:1: <RHS trace>
915. 
916. 
917. ngx_int_t
     ^
918. ngx_atoi(u_char *line, size_t n)
919. {

src/core/ngx_string.c:917:1: Parameter `*line`
        915. 
        916. 
        917. ngx_int_t
             ^
        918. ngx_atoi(u_char *line, size_t n)
        919. {

src/core/ngx_string.c:938:9: Binary operation: ([0, 9223372036854775800] + [0, 9]):signed64 by call to `ngx_http_upstream_add` 
        936.         }
        937. 
        938.         value = value * 10 + (*line - '0');
                     ^
        939.     }
        940. 
