From ebb39e78cfa271ae74301dece649244d7da27b41 Mon Sep 17 00:00:00 2001 From: Chris Jerdonek Date: Fri, 8 May 2020 03:54:38 -0700 Subject: [PATCH] bpo-40559: Add Py_DECREF to _asynciomodule.c:task_step_impl() (GH-19990) This fixes a possible memory leak in the C implementation of asyncio.Task. (cherry picked from commit d2c349b190bcba21a4a38e6520a48ad97a9f1529) Co-authored-by: Chris Jerdonek --- .../next/Library/2020-05-05-08-12-51.bpo-40559.112wwa.rst | 1 + Modules/_asynciomodule.c | 4 ++++ 2 files changed, 5 insertions(+) create mode 100644 Misc/NEWS.d/next/Library/2020-05-05-08-12-51.bpo-40559.112wwa.rst diff --git a/Misc/NEWS.d/next/Library/2020-05-05-08-12-51.bpo-40559.112wwa.rst b/Misc/NEWS.d/next/Library/2020-05-05-08-12-51.bpo-40559.112wwa.rst new file mode 100644 index 00000000000000..15846351f25bbe --- /dev/null +++ b/Misc/NEWS.d/next/Library/2020-05-05-08-12-51.bpo-40559.112wwa.rst @@ -0,0 +1 @@ +Fix possible memory leak in the C implementation of :class:`asyncio.Task`. \ No newline at end of file diff --git a/Modules/_asynciomodule.c b/Modules/_asynciomodule.c index 5ba2bc49757098..8e1cd4f52a540a 100644 --- a/Modules/_asynciomodule.c +++ b/Modules/_asynciomodule.c @@ -2626,6 +2626,10 @@ task_step_impl(TaskObj *task, PyObject *exc) coro = task->task_coro; if (coro == NULL) { PyErr_SetString(PyExc_RuntimeError, "uninitialized Task object"); + if (clear_exc) { + /* We created 'exc' during this call */ + Py_DECREF(exc); + } return NULL; } pFad - Phonifier reborn

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