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gh-105375: Harden error handling in `_testcapi/heaptype.c` (#105608) 

Bail on first error in heapctypesubclasswithfinalizer_finalize()
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Erlend E. Aasland 2023-06-09 23:53:33 +02:00 committed by GitHub
parent 33c92c4f15
commit d636d7dfe7
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1 changed files with 4 additions and 1 deletions
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Modules/_testcapi/heaptype.c
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@ -661,8 +661,11 @@ heapctypesubclasswithfinalizer_finalize(PyObject *self)
goto cleanup_finalize;
}
oldtype = PyObject_GetAttrString(m, "HeapCTypeSubclassWithFinalizer");
if (oldtype == NULL) {
goto cleanup_finalize;
}
newtype = PyObject_GetAttrString(m, "HeapCTypeSubclass");
if (oldtype == NULL || newtype == NULL) {
if (newtype == NULL) {
goto cleanup_finalize;
}