https://github.com/python/cpython/commit/88a4d0d34b7dc67f3daea57898c281439dce085d commit: 88a4d0d34b7dc67f3daea57898c281439dce085d branch: 3.14 author: Miss Islington (bot) <[email protected]> committer: serhiy-storchaka <[email protected]> date: 2025-12-25T19:09:53+02:00 summary:
[3.14] gh-143145: Fix possible reference leak in ctypes _build_result() (GH-143131) (GH-143169) The result tuple was leaked if __ctypes_from_outparam__() failed for any item. (cherry picked from commit 579c5b496b467a2b175cb30caa4f6873cb13c9a1) Signed-off-by: Yongtao Huang <[email protected]> Co-authored-by: Yongtao Huang <[email protected]> files: A Misc/NEWS.d/next/Library/2025-12-24-14-18-52.gh-issue-143145.eXLw8D.rst M Modules/_ctypes/_ctypes.c diff --git a/Misc/NEWS.d/next/Library/2025-12-24-14-18-52.gh-issue-143145.eXLw8D.rst b/Misc/NEWS.d/next/Library/2025-12-24-14-18-52.gh-issue-143145.eXLw8D.rst new file mode 100644 index 00000000000000..2aff1090b1812f --- /dev/null +++ b/Misc/NEWS.d/next/Library/2025-12-24-14-18-52.gh-issue-143145.eXLw8D.rst @@ -0,0 +1 @@ +Fixed a possible reference leak in ctypes when constructing results with multiple output parameters on error. diff --git a/Modules/_ctypes/_ctypes.c b/Modules/_ctypes/_ctypes.c index bac119f2ae7a36..3d48c70bd0d227 100644 --- a/Modules/_ctypes/_ctypes.c +++ b/Modules/_ctypes/_ctypes.c @@ -4551,6 +4551,7 @@ _build_result(PyObject *result, PyObject *callargs, v = PyTuple_GET_ITEM(callargs, i); v = PyObject_CallMethodNoArgs(v, &_Py_ID(__ctypes_from_outparam__)); if (v == NULL || numretvals == 1) { + Py_XDECREF(tup); Py_DECREF(callargs); return v; } _______________________________________________ Python-checkins mailing list -- [email protected] To unsubscribe send an email to [email protected] https://mail.python.org/mailman3//lists/python-checkins.python.org Member address: [email protected]
