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https://issues.apache.org/jira/browse/HADOOP-10542?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Steve Loughran updated HADOOP-10542:
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Component/s: fs/s3
> Potential null pointer dereference in Jets3tFileSystemStore#retrieveBlock()
> ---------------------------------------------------------------------------
>
> Key: HADOOP-10542
> URL: https://issues.apache.org/jira/browse/HADOOP-10542
> Project: Hadoop Common
> Issue Type: Bug
> Components: fs/s3
> Reporter: Ted Yu
> Priority: Minor
>
> {code}
> in = get(blockToKey(block), byteRangeStart);
> out = new BufferedOutputStream(new FileOutputStream(fileBlock));
> byte[] buf = new byte[bufferSize];
> int numRead;
> while ((numRead = in.read(buf)) >= 0) {
> {code}
> get() may return null.
> The while loop dereferences in without null check.
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