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bpo-32436: Fix potential NULL dereference (#5286)

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Yury Selivanov 2018-01-23 16:26:07 -05:00 committed by GitHub
parent 9d411c119f
commit 0bad4d63c6
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1 changed files with 4 additions and 0 deletions
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Python/hamt.c
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@ -1055,6 +1055,10 @@ hamt_node_bitmap_without(PyHamtNode_Bitmap *self,
#endif
PyHamtNode_Bitmap *clone = hamt_node_bitmap_clone(self);
if (clone == NULL) {
return W_ERROR;
}
Py_SETREF(clone->b_array[val_idx],
(PyObject *)sub_node); /* borrow */