From 2923ae01faa3cfc4800e2000f974f439db28a504 Mon Sep 17 00:00:00 2001
From: Wulian233 <1055917385@qq.com>
Date: Mon, 4 May 2026 21:42:02 +0800
Subject: [PATCH] gh-148418: Fix a possible reference leak in a corrupted
 TYPE_CODE marshal stream (GH-148419) (cherry picked from commit
 c3972f2795bf9270008d09dc6919b9735e20c606)

Co-authored-by: Wulian233 <1055917385@qq.com>
---
 .../2026-04-12-10-40-57.gh-issue-148418.ggA1LZ.rst              | 1 +
 Python/marshal.c                                                | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)
 create mode 100644 Misc/NEWS.d/next/Core_and_Builtins/2026-04-12-10-40-57.gh-issue-148418.ggA1LZ.rst

diff --git a/Misc/NEWS.d/next/Core_and_Builtins/2026-04-12-10-40-57.gh-issue-148418.ggA1LZ.rst b/Misc/NEWS.d/next/Core_and_Builtins/2026-04-12-10-40-57.gh-issue-148418.ggA1LZ.rst
new file mode 100644
index 00000000000000..793858be7814c1
--- /dev/null
+++ b/Misc/NEWS.d/next/Core_and_Builtins/2026-04-12-10-40-57.gh-issue-148418.ggA1LZ.rst
@@ -0,0 +1 @@
+Fix a possible reference leak in a corrupted ``TYPE_CODE`` marshal stream.
diff --git a/Python/marshal.c b/Python/marshal.c
index ade5c2e2fbcc70..49de5662e78380 100644
--- a/Python/marshal.c
+++ b/Python/marshal.c
@@ -1608,7 +1608,7 @@ r_object(RFILE *p)
                 goto code_error;
             firstlineno = (int)r_long(p);
             if (firstlineno == -1 && PyErr_Occurred())
-                break;
+                goto code_error;
             linetable = r_object(p);
             if (linetable == NULL)
                 goto code_error;