8000 gh-111178: fix UBSan failures in `Modules/cjkcodecs/multibytecodec.c` by picnixz · Pull Request #129090 · python/cpython · GitHub
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gh-111178: fix UBSan failures in Modules/cjkcodecs/multibytecodec.c #129090

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Merged
merged 9 commits into from
Jan 25, 2025
Merged

gh-111178: fix UBSan failures in Modules/cjkcodecs/multibytecodec.c #129090

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d5a8c23
Add casts macros
picnixz Jan 20, 2025
efff446
fix UBSan failures for `MultibyteCodecObject`
picnixz Jan 20, 2025
a9fe498
fix UBSan failures for `MultibyteIncrementalEncoderObject`
picnixz Jan 20, 2025
9ed213b
fix UBSan failures for `MultibyteIncrementalDecoderObject`
picnixz Jan 20, 2025
4bcb9b3
fix UBSan failures for `MultibyteStreamReaderObject`
picnixz Jan 20, 2025
0c6d52b
fix UBSan failures for `MultibyteStreamWriterObject`
picnixz Jan 20, 2025
85b6e93
suppress unused return values
picnixz Jan 20, 2025
eb6df00
fixup
picnixz Jan 20, 2025
97cd79b
Move cast macros to `.c`
picnixz Jan 20, 2025
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fix UBSan failures for MultibyteStreamWriterObject
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@picnixz
picnixz committed Jan 20, 2025
commit 0c6d52b154f3413643ae6cb0713c5b6fa9a918ba
7 changes: 4 additions & 3 deletions Modules/cjkcodecs/multibytecodec.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1932,18 +1932,19 @@ mbstreamwriter_init(PyObject *self, PyObject *args, PyObject *kwds)
}

static int
mbstreamwriter_traverse(MultibyteStreamWriterObject *self,
visitproc visit, void *arg)
mbstreamwriter_traverse(PyObject *op, visitproc visit, void *arg)
{
MultibyteStreamWriterObject *self = _MultibyteStreamWriterObject_CAST(op);
if (ERROR_ISCUSTOM(self->errors))
Py_VISIT(self->errors);
Py_VISIT(self->stream);
return 0;
}

static void
mbstreamwriter_dealloc(MultibyteStreamWriterObject *self)
mbstreamwriter_dealloc(PyObject *op)
{
MultibyteStreamWriterObject *self = _MultibyteStreamWriterObject_CAST(op);
PyTypeObject *tp = Py_TYPE(self);
PyObject_GC_UnTrack(self);
ERROR_DECREF(self->errors);
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