[ARROW-7777] [Go] StructBuilder/ListBuilder index out of range panic

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.16.0
• Fix Version/s: 0.17.0
• Component/s: Go
• Labels: pull-request-available
• Environment: linux
• External issue URL: https://github.com/apache/arrow/issues/17050
• Assignee: Grant Monroe
• Reporter: Grant Monroe
• Created: 06/Feb/20 00:20
• Updated: 11/Jan/23 07:55
• Resolved: 17/Feb/20 13:58

Description

Both StructBuilder and ListBuilder improperly call init() on sub-builders when they should be calling Reserve. For ListBuilder this occurs on the offsets builder. For StructBuilder it occurs on each of the field builders. This results in a panic from index out of range on Append.

Issue Links

• links to: GitHub Pull Request #6367