[PARQUET-1788] [C++] ColumnWriter has undefined behavior when writing arrow chunks

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: cpp-4.0.0
• Component/s: parquet-cpp
• Labels: pull-request-available
• Assignee: Micah Kornfield
• Reporter: Micah Kornfield
• Created: 06/Feb/20 06:18
• Updated: 23/Jun/24 03:31
• Resolved: 10/Feb/20 15:45

Description

We blindly add offset to dep_level and rep_level inside chunking callbacks when these are nullptrs (I believe this occurs if the schema is flat) we still apply the offset which triggers UBSan.

Issue Links

• links to: GitHub Pull Request #6378