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 MultibyteIncrementalEncoderObject
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@picnixz
picnixz committed Jan 20, 2025
commit a9fe4985c9b82b11aee92c260856d8d02b952687
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 @@ -1108,17 +1108,18 @@ mbiencoder_init(PyObject *self, PyObject *args, PyObject *kwds)
}

static int
mbiencoder_traverse(MultibyteIncrementalEncoderObject *self,
visitproc visit, void *arg)
mbiencoder_traverse(PyObject *op, visitproc visit, void *arg)
{
MultibyteIncrementalEncoderObject *self = _MultibyteIncrementalEncoderObject_CAST(op);
if (ERROR_ISCUSTOM(self->errors))
Py_VISIT(self->errors);
return 0;
}

static void
mbiencoder_dealloc(MultibyteIncrementalEncoderObject *self)
mbiencoder_dealloc(PyObject *op)
{
MultibyteIncrementalEncoderObject *self = _MultibyteIncrementalEncoderObject_CAST(op);
PyTypeObject *tp = Py_TYPE(self);
PyObject_GC_UnTrack(self);
ERROR_DECREF(self->errors);
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