[Python-checkins] gh-127604: Fix refleak in faulthandler_dump_c_stack_py() (#132840)

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https://github.com/python/cpython/commit/1aaca7ab483e347f7dc412c9b78b794bd7f94043
commit: 1aaca7ab483e347f7dc412c9b78b794bd7f94043
branch: main
author: Victor Stinner <vstin...@python.org>
committer: vstinner <vstin...@python.org>
date: 2025-04-23T14:29:31Z
summary:

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

files:
M Modules/faulthandler.c

diff --git a/Modules/faulthandler.c b/Modules/faulthandler.c
index 563ffd9fbbdadb..d49ce794d88674 100644
--- 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;

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