From ae6e255cb362557ff713ff2967aecb92f7eb069c Mon Sep 17 00:00:00 2001 From: "Miss Islington (bot)" <31488909+miss-islington@users.noreply.github.com> Date: Thu, 13 Jan 2022 20:35:21 -0800 Subject: [PATCH] bpo-46280: Fix tracemalloc_copy_domain() (GH-30591) Test if tracemalloc_copy_traces() failed to allocated memory in tracemalloc_copy_domain(). (cherry picked from commit 7c770d3350813a82a639fcb3babae0de2b87aaae) Co-authored-by: Victor Stinner --- Modules/_tracemalloc.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Modules/_tracemalloc.c b/Modules/_tracemalloc.c index 90498fb7a789..ba0eb738abcb 100644 --- a/Modules/_tracemalloc.c +++ b/Modules/_tracemalloc.c @@ -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; -- 2.47.3