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[3.12] gh-121390: tracemalloc: Fix tracebacks memory leak (GH-121391) (#121393)

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gh-121390: tracemalloc: Fix tracebacks memory leak (GH-121391)

The tracemalloc_tracebacks hash table has traceback keys and NULL
values, but its destructors do not reflect this -- key_destroy_func is
NULL while value_destroy_func is raw_free. Swap these to free the
traceback keys instead.
(cherry picked from commit db39bc42f9)

Co-authored-by: Josh Brobst <jbrobst@proton.me>
This commit is contained in:
Miss Islington (bot) 2024-07-05 08:59:06 +02:00 • committed by GitHub
parent de86aaa160
commit 9e542f9a46
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Python/tracemalloc.c
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@ -836,7 +836,7 @@ _PyTraceMalloc_Init(void)
tracemalloc_tracebacks = hashtable_new(hashtable_hash_traceback,
hashtable_compare_traceback,
NULL, raw_free);
raw_free, NULL);
tracemalloc_traces = tracemalloc_create_traces_table();
tracemalloc_domains = tracemalloc_create_domains_table();