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bpo-46280: Fix tracemalloc_copy_domain() (GH-30591)

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Test if tracemalloc_copy_traces() failed to allocated memory in
tracemalloc_copy_domain().
(cherry picked from commit 7c770d3350)

Co-authored-by: Victor Stinner <vstinner@python.org>
This commit is contained in:
Miss Islington (bot) 2022-01-13 20:35:21 -08:00 • committed by GitHub
parent 537f16adfa
commit ae6e255cb3
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Modules/_tracemalloc.c
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@ -1241,6 +1241,9 @@ tracemalloc_copy_domain(_Py_hashtable_t *domains,
_Py_hashtable_t *traces = (_Py_hashtable_t *)value;
_Py_hashtable_t *traces2 = tracemalloc_copy_traces(traces);
if (traces2 == NULL) {
return -1;
}
if (_Py_hashtable_set(domains2, TO_PTR(domain), traces2) < 0) {
_Py_hashtable_destroy(traces2);
return -1;