[ARROW-6526] [C++] Poison data in PoolBuffer destructor

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.15.0
• Component/s: C++
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/22891
• Assignee: Antoine Pitrou
• Reporter: Antoine Pitrou
• Created: 11/Sep/19 09:56
• Updated: 11/Jan/23 07:47
• Resolved: 12/Sep/19 12:03

Description

In debug mode, we could poison data (at least the first and last bytes?) in the PoolBuffer destructor so as to easily detect buffer lifetime issues.

(ASAN also helps, but this would act as a first defense barrier, e.g. for local development)

Issue Links

• links to: GitHub Pull Request #5349