gh-127604: Fix refleak in faulthandler_dump_c_stack_py() (#132840)

diff --git a/Modules/faulthandler.c b/Modules/faulthandler.c
index 563ffd9fbbdadbf5e339aab8eb5bb2acede8d85c..d49ce794d886745ea519ca4a44e4506f08d73d6c 100644 (file)
--- a/Modules/faulthandler.c
+++ b/Modules/faulthandler.c
@@ -298,6 +298,7 @@ faulthandler_dump_c_stack_py(PyObject *self,
     }
 
     _Py_DumpStack(fd);
+    Py_XDECREF(file);
 
     if (PyErr_CheckSignals()) {
         return NULL;