[SPARK-23893] Possible overflow in long = int * int

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 2.3.0
• Fix Version/s: 2.4.0
• Component/s: Spark Core, SQL
• Assignee: Kazuaki Ishizaki
• Reporter: Kazuaki Ishizaki
• Created: 07/Apr/18 14:11
• Updated: 08/Apr/18 18:40
• Resolved: 08/Apr/18 18:40

Description

To perform `int * int` and then to cast to `long` may cause overflow if the MSB of the multiplication result is `1`. In other words, the result would be negative due to sign extension.

Issue Links

• links to: [Github] Pull Request #21002 (kiszk)