[3.14] gh-132983: Call Py_XDECREF rather than PyObject_GC_Del in failed __new__ (GH-133962) by miss-islington · Pull Request #134305 · python/cpython · GitHub
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[3.14] gh-132983: Call Py_XDECREF rather than PyObject_GC_Del in failed __new__ (GH-133962) #134305

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Merged
AA-Turner merged 1 commit into from
May 20, 2025
+15 −14
Merged

[3.14] gh-132983: Call Py_XDECREF rather than PyObject_GC_Del in failed __new__ (GH-133962) #134305

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10 changes: 5 additions & 5 deletions Modules/_zstd/compressor.c
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10 changes: 5 additions & 5 deletions Modules/_zstd/decompressor.c
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Original file line number Diff line number Diff line change
Expand Up @@ -554,6 +554,7 @@ _zstd_ZstdDecompressor_new_impl(PyTypeObject *type, PyObject *zstd_dict,
self->in_end = -1;
self->unused_data = NULL;
self->eof = 0;
self->dict = NULL;

/* needs_input flag */
self->needs_input = 1;
Expand All @@ -570,7 +571,6 @@ _zstd_ZstdDecompressor_new_impl(PyTypeObject *type, PyObject *zstd_dict,
}

/* Load Zstandard dictionary to decompression context */
self->dict = NULL;
if (zstd_dict != Py_None) {
if (_zstd_load_d_dict(self, zstd_dict) < 0) {
goto error;
Expand All @@ -592,9 +592,7 @@ _zstd_ZstdDecompressor_new_impl(PyTypeObject *type, PyObject *zstd_dict,
return (PyObject*)self;

error:
if (self != NULL) {
PyObject_GC_Del(self);
}
Py_XDECREF(self);
return NULL;
}

Expand All @@ -606,7 +604,9 @@ ZstdDecompressor_dealloc(PyObject *ob)
PyObject_GC_UnTrack(self);

/* Free decompression context */
ZSTD_freeDCtx(self->dctx);
if (self->dctx) {
ZSTD_freeDCtx(self->dctx);
}

/* Py_CLEAR the dict after free decompression context */
Py_CLEAR(self->dict);
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9 changes: 5 additions & 4 deletions Modules/_zstd/zstddict.c
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