src/java.base/unix/native/libnet/net_util_md.c

*** 303,318 ****
           */
          return JNI_FALSE;
      }
  
      /*
!      * If fd 0 is a socket it means we've been launched from inetd or
       * xinetd. If it's a socket then check the family - if it's an
       * IPv4 socket then we need to disable IPv6.
       */
      if (getsockname(0, &sa.sa, &sa_len) == 0) {
!         if (sa.sa.sa_family != AF_INET6) {
              close(fd);
              return JNI_FALSE;
          }
      }
  
--- 303,318 ----
           */
          return JNI_FALSE;
      }
  
      /*
!      * If fd 0 is a socket it means we may have been launched from inetd or
       * xinetd. If it's a socket then check the family - if it's an
       * IPv4 socket then we need to disable IPv6.
       */
      if (getsockname(0, &sa.sa, &sa_len) == 0) {
!         if (sa.sa.sa_family == AF_INET) {
              close(fd);
              return JNI_FALSE;
          }
      }