https://github.com/python/cpython/commit/1d7245c3e0cfe4508855c5025b25d889415... commit: 1d7245c3e0cfe4508855c5025b25d8894155ecc5 branch: 3.7 author: Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> committer: GitHub <noreply@github.com> date: 2019-11-20T02:26:54-08:00 summary: bpo-38823: Fix refleak in _tracemalloc init error handling (GH-17235) (cherry picked from commit d51a363a4379385fdfe9c09a56324631465ede29) Co-authored-by: Brandt Bucher <brandtbucher@gmail.com> files: M Modules/_tracemalloc.c diff --git a/Modules/_tracemalloc.c b/Modules/_tracemalloc.c index 7f19c5598120e..1fe72a8a4627b 100644 --- a/Modules/_tracemalloc.c +++ b/Modules/_tracemalloc.c @@ -1655,8 +1655,10 @@ PyInit__tracemalloc(void) if (m == NULL) return NULL; - if (tracemalloc_init() < 0) + if (tracemalloc_init() < 0) { + Py_DECREF(m); return NULL; + } return m; }