Github user jpeach commented on the pull request: https://github.com/apache/trafficserver/pull/503#issuecomment-210513483 I'm -1 on this unless we know it actually fixes the problem. Looking at the [TS-4240](https://issues.apache.org/jira/browse/TS-4240), my guess is that ``data[i]`` is negative, so casting to a wider unsigned type gives you a very large index. The right fix would be to cast to ``uint8_t``.
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