From: Josh Brobst <jbrobst@proton.me>
Date: Fri, 5 Jul 2024 06:39:48 +0000 (-0400)
Subject: gh-121390: tracemalloc: Fix tracebacks memory leak (#121391)
X-Git-Tag: v3.14.0a1~1220
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=db39bc42f90c151b298f97b780e62703adbf1221;p=thirdparty%2FPython%2Fcpython.git

gh-121390: tracemalloc: Fix tracebacks memory leak (#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.
---

diff --git a/Python/tracemalloc.c b/Python/tracemalloc.c
index fee7dd0e56d9..e58b60ddd5e4 100644
--- a/Python/tracemalloc.c
+++ b/Python/tracemalloc.c
@@ -838,7 +838,7 @@ _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();