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[3.13] gh-150178: Fix refcount leaks in hamt allocation failure paths (GH-150179) #150301

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Merged
kumaraditya303 merged 1 commit into from
May 23, 2026
+2 −0
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[3.13] gh-150178: Fix refcount leaks in hamt allocation failure paths (GH-150179) #150301

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gh-150178: Fix refcount leaks in hamt allocation failure paths (GH-15… 
…0179)

(cherry picked from commit 32823af)

Co-authored-by: pengyu lee <lipengyu@kylinos.cn>
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@lpyu001 @miss-islington
lpyu001 authored and miss-islington committed May 23, 2026
commit 56c62672cc29755911de6d397b6753708cac5473
2 changes: 2 additions & 0 deletions Python/hamt.c
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Original file line number Diff line number Diff line change
Expand Up @@ -718,6 +718,7 @@ hamt_node_bitmap_assoc(PyHamtNode_Bitmap *self,

PyHamtNode_Bitmap *ret = hamt_node_bitmap_clone(self);
if (ret == NULL) {
Py_DECREF(sub_node);
return NULL;
}
Py_SETREF(ret->b_array[val_idx], (PyObject*)sub_node);
Expand Down Expand Up @@ -1010,6 +1011,7 @@ hamt_node_bitmap_without(PyHamtNode_Bitmap *self,

PyHamtNode_Bitmap *clone = hamt_node_bitmap_clone(self);
if (clone == NULL) {
Py_DECREF(sub_node);
return W_ERROR;
}

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