Krisztian Szucs created ARROW-10193:
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Summary: [Python] Segfault when converting to fixed size binary
array
Key: ARROW-10193
URL: https://issues.apache.org/jira/browse/ARROW-10193
Project: Apache Arrow
Issue Type: Bug
Components: Python
Reporter: Krisztian Szucs
Assignee: Krisztian Szucs
Fix For: 2.0.0
Reproducer:
{code:python}
data = [b'\x19h\r\x9e\x00\x00\x00\x00\x01\x9b\x9fA']
assert len(data[0]) == 12
ty = pa.binary(12)
arr = pa.array(data, type=ty)
{code}
Trace:
{code}
pyarrow/tests/test_convert_builtin.py::test_fixed_size_binary_length_check
../src/arrow/array/builder_binary.cc:53: Check failed: (size) == (byte_width_)
Appending wrong size to FixedSizeBinaryBuilder
0 libarrow.200.0.0.dylib 0x000000010e7f9704
_ZN5arrow4util7CerrLog14PrintBackTraceEv + 52
1 libarrow.200.0.0.dylib 0x000000010e7f9622
_ZN5arrow4util7CerrLogD2Ev + 98
2 libarrow.200.0.0.dylib 0x000000010e7f9585
_ZN5arrow4util7CerrLogD1Ev + 21
3 libarrow.200.0.0.dylib 0x000000010e7f95ac
_ZN5arrow4util7CerrLogD0Ev + 28
4 libarrow.200.0.0.dylib 0x000000010e7f9492
_ZN5arrow4util8ArrowLogD2Ev + 82
5 libarrow.200.0.0.dylib 0x000000010e7f94c5
_ZN5arrow4util8ArrowLogD1Ev + 21
6 libarrow.200.0.0.dylib 0x000000010e303ec1
_ZN5arrow22FixedSizeBinaryBuilder14CheckValueSizeEx + 209
7 libarrow.200.0.0.dylib 0x000000010e30c361
_ZN5arrow22FixedSizeBinaryBuilder12UnsafeAppendEN6nonstd7sv_lite17basic_string_viewIcNSt3__111char_traitsIcEEEE
+ 49
8 libarrow_python.200.0.0.dylib 0x000000010b4efa7d
_ZN5arrow2py20PyPrimitiveConverterINS_19FixedSizeBinaryTypeEvE6AppendEP7_object
+ 813
{code}
The input {{const char*}} value gets implicitly casted to string_view which
makes the length check fail in debug builds.
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