Antoine Pitrou created ARROW-2275:
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Summary: [C++] Buffer::mutable_data_ member uninitialized
Key: ARROW-2275
URL: https://issues.apache.org/jira/browse/ARROW-2275
Project: Apache Arrow
Issue Type: Bug
Components: C++
Affects Versions: 0.8.0
Reporter: Antoine Pitrou
For immutable buffers (i.e. most of them), the {{mutable_data_}} member is
uninitialized. If the user calls {{mutable_data()}} by mistake on such a
buffer, they will get a bogus pointer back.
This is exacerbated by the Tensor API whose const and non-const {{raw_data()}}
methods return different things...
(also an idea: add a DCHECK for mutability before returning from
{{mutable_data()}}?)
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