[jira] [Created] (SOLR-7983) Utils.toUTF8 uses shorter buffer than necessary for holding UTF8 data

["Shalin Shekhar Mangar (JIRA)" <ji...@apache.org>]

Shalin Shekhar Mangar created SOLR-7983:
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             Summary: Utils.toUTF8 uses shorter buffer than necessary for holding UTF8 data
                 Key: SOLR-7983
                 URL: https://issues.apache.org/jira/browse/SOLR-7983
             Project: Solr
          Issue Type: Bug
    Affects Versions: 5.3
            Reporter: Shalin Shekhar Mangar
            Priority: Trivial
             Fix For: Trunk, 5.4


Method in question:
{code}
public static byte[] toUTF8(CharArr out) {
    byte[] arr = new byte[out.size() << 2]; // is 4x the real worst-case upper-bound?
    int nBytes = ByteUtils.UTF16toUTF8(out, 0, out.size(), arr, 0);
    return Arrays.copyOf(arr, nBytes);
  }
{code}

The byte array should be at least out.size() * 3.



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