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https://issues.apache.org/jira/browse/AMQ-5389?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Curt Jutzi updated AMQ-5389:
----------------------------
Patch Info: (was: Patch Available)
> MQTTCodec headerParser - not reducing readSize if nulls are read
> ----------------------------------------------------------------
>
> Key: AMQ-5389
> URL: https://issues.apache.org/jira/browse/AMQ-5389
> Project: ActiveMQ
> Issue Type: Bug
> Components: MQTT
> Affects Versions: 5.11.0
> Reporter: Curt Jutzi
>
> in the header read you'll notice that if 0's are read, i increases to protect
> the end of buffer, but when you pass this down to the next parser the size of
> the buffer passed is readSize-1 not readSize-i
> As well there is a check for readsize > 1.. this should be (readsize-i > 1)
> {noformat}
> @Override
> public void parse(DataByteArrayInputStream data, int readSize) throws
> IOException {
> int i = 0;
> while (i++ < readSize) {
> byte b = data.readByte();
> // skip repeating nulls
> if (b == 0) {
> continue;
> }
> header = b;
> currentParser = initializeVariableLengthParser();
> // if (readSize > 1) {
> // currentParser.parse(data, readSize - 1);
> if (readSize-i > 1) {
> currentParser.parse(data, readSize - i);
> }
> return;
> }
> }
> {noformat}
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