[jira] [Created] (TS-3774) Bug in HostDB hosts file implementation

["Brian Geffon (JIRA)" <ji...@apache.org>]

Brian Geffon created TS-3774:
--------------------------------

             Summary: Bug in HostDB hosts file implementation
                 Key: TS-3774
                 URL: https://issues.apache.org/jira/browse/TS-3774
             Project: Traffic Server
          Issue Type: Bug
          Components: HostDB
            Reporter: Brian Geffon


There is a bug in the current implementation of hostdb's use of hostsfiles. Because it uses a static local variable the storage is shared and ultimately will lead to race conditions if the hosts file is reloaded.

{code}
if (find_result != current_host_file_map->hosts_file_map.end()) {
    // TODO: Something to make this not local :/
    static HostDBInfo r;
    r.round_robin = false;
    r.round_robin_elt = false;
    r.reverse_dns = false;
    r.is_srv = false;
    ats_ip_set(r.ip(), (*find_result).second);
    return &r;
  }
{code}



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