[3.13] gh-129345: null check for indent syslogmodule (GH-129348) (#129442)

gh-129345: null check for indent syslogmodule (GH-129348)
(cherry picked from commit 25cf79a0829422bd8479ca0c13c72b769422077b)

Co-authored-by: Burkov Egor <xwooffie@gmail.com>

diff --git a/Misc/NEWS.d/next/Core_and_Builtins/2025-01-28-06-23-59.gh-issue-129345.uOjkML.rst b/Misc/NEWS.d/next/Core_and_Builtins/2025-01-28-06-23-59.gh-issue-129345.uOjkML.rst
new file mode 100644 (file)
index 0000000..68e1103
--- /dev/null
+++ b/Misc/NEWS.d/next/Core_and_Builtins/2025-01-28-06-23-59.gh-issue-129345.uOjkML.rst
@@ -0,0 +1 @@
+Fix null pointer dereference in :func:`syslog.openlog` when an audit hook raises an exception.

diff --git a/Modules/syslogmodule.c b/Modules/syslogmodule.c
index adbd2fcc6ed74d715559804e1e666f297db322a3..aa1bc9da91dfb9caf14edbf304d868f33010b8a4 100644 (file)
--- a/Modules/syslogmodule.c
+++ b/Modules/syslogmodule.c
@@ -176,7 +176,7 @@ syslog_openlog_impl(PyObject *module, PyObject *ident, long logopt,
         }
     }
     if (PySys_Audit("syslog.openlog", "Oll", ident ? ident : Py_None, logopt, facility) < 0) {
-        Py_DECREF(ident);
+        Py_XDECREF(ident);
         return NULL;
     }