src/http/ngx_http_request.c:471: error: Integer Overflow L2
  ([0, 9223372036854775800] + [0, 9]):signed64 by call to `ngx_proxy_protocol_read`.

src/http/ngx_http_request.c:471:13: Call
469.         hc->proxy_protocol = 0;
470. 
471.         p = ngx_proxy_protocol_read(c, b->pos, b->last);
                 ^
472. 
473.         if (p == NULL) {

src/core/ngx_proxy_protocol.c:51:1: Parameter `*buf`
  49. 
  50. 
  51. u_char *
      ^
  52. ngx_proxy_protocol_read(ngx_connection_t *c, u_char *buf, u_char *last)
  53. {

src/core/ngx_proxy_protocol.c:106:9: Call
  104.     }
  105. 
  106.     p = ngx_proxy_protocol_read_port(p, last, &pp->src_port, ' ');
               ^
  107.     if (p == NULL) {
  108.         goto invalid;

src/core/ngx_proxy_protocol.c:192:1: Parameter `sep`
    190. 
    191. 
    192. static u_char *
         ^
    193. ngx_proxy_protocol_read_port(u_char *p, u_char *last, in_port_t *port,
    194.     u_char sep)

src/core/ngx_proxy_protocol.c:214:9: Call
    212.     len = p - pos - 1;
    213. 
    214.     n = ngx_atoi(pos, len);
                 ^
    215.     if (n < 0 || n > 65535) {
    216.         return NULL;

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_proxy_protocol_read` 
      936.         }
      937. 
      938.         value = value * 10 + (*line - '0');
                   ^
      939.     }
      940. 
