[C++] ExecBatch conversion to RecordBatch may go out of bounds

[asfimport]

When the schema given to ExecBatch::ToRecordBatch is wider than the ExecBatch values vector, an out-of-bounds index is accessed.

Reporter: Yaron Gvili / @rtpsw
Assignee: Yaron Gvili / @rtpsw

Related issues:

• [C++] Acero/dataset relies on ExecBatch::ToRecordBatch truncating excess columns (relates to)

PRs and other links:

• GitHub Pull Request #14386

_{Note: This issue was originally created as ARROW-18004. Please see the migration documentation for further details.}

[asfimport]

Antoine Pitrou / @pitrou:
Issue resolved by pull request 14386
#14386