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gh-126461: Fix _Unpickler_ReadFromFile() error handling (#126485)

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Handle _Unpickler_SetStringInput() failure.
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Victor Stinner 2024-11-06 14:24:46 +01:00 • committed by GitHub
parent 9cba47d9f1
commit a1c57bcfd2
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Modules/_pickle.c
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@ -1288,6 +1288,10 @@ _Unpickler_ReadFromFile(UnpicklerObject *self, Py_ssize_t n)
else { else {
read_size = _Unpickler_SetStringInput(self, data); read_size = _Unpickler_SetStringInput(self, data);
Py_DECREF(data); Py_DECREF(data);
if (read_size < 0) {
return -1;
}
self->prefetched_idx = 0; self->prefetched_idx = 0;
if (n <= read_size) if (n <= read_size)
return n; return n;