[FLINK-3928] Potential overflow due to 32-bit int arithmetic

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 1.1.0
• Assignee: Greg Hogan
• Reporter: Ted Yu
• Created: 18/May/16 16:07
• Updated: 20/May/16 20:30
• Resolved: 20/May/16 20:30

Description

The following pattern occurs in both LocalClusteringCoefficient.java and TriangleListing.java :

    int scale = parameters.getInt("scale", DEFAULT_SCALE);
...
    long vertexCount = 1 << scale;

"1 << scale" may overflow with type "int" due to the use of 32-bit arithmetic

Issue Links

• links to: GitHub Pull Request #2006