Jimmy Lu created ARROW-10932:
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Summary: [C++] BinaryMemoTable::CopyOffsets access out-of-bound
address when data is empty
Key: ARROW-10932
URL: https://issues.apache.org/jira/browse/ARROW-10932
Project: Apache Arrow
Issue Type: Bug
Affects Versions: 2.0.0, 1.0.1, 1.0.0
Reporter: Jimmy Lu
In
[BinaryMemoTable::CopyOffsets|https://github.com/apache/arrow/blob/apache-arrow-2.0.0/cpp/src/arrow/util/hashing.h#L693],
if there is no previous calls to insert data, {{offsets[start]}} will access
out-of-bound address and cause undefined behavior.
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