songwanging created CASSANDRA-14098:
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Summary: Potential Integer Overflow
Key: CASSANDRA-14098
URL: https://issues.apache.org/jira/browse/CASSANDRA-14098
Project: Cassandra
Issue Type: Bug
Components: Core
Reporter: songwanging
Priority: Minor
Our tool DeepTect has detected a potential integer overflow:
Path: cassandra/src/java/org/apache/cassandra/service/StorageService.java
{code:java}
int splitCount = Math.max(1, Math.min(maxSplitCount,
(int)(totalRowCountEstimate / keysPerSplit)));
{code}
In the above code snippet, "totalRowCountEstimate" is a long variable,
"keysPerSplit" is an integer variable. If "totalRowCountEstimate" is super
large, directly casting "(totalRowCountEstimate / keysPerSplit" into integer
will definitely lead to a potential integer overflow.
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