From: Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com>
Date: Mon, 4 May 2026 14:06:00 +0000 (+0200)
Subject: [3.13] gh-148418: Fix a possible reference leak in a corrupted TYPE_CODE marshal... 
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6d6471b7eb099fefc243b2fba3825979fad7cf6f;p=thirdparty%2FPython%2Fcpython.git

[3.13] gh-148418: Fix a possible reference leak in a corrupted TYPE_CODE marshal stream (GH-148419) (GH-149364)

(cherry picked from commit c3972f2795bf9270008d09dc6919b9735e20c606)

Co-authored-by: Wulian233 <1055917385@qq.com>
---

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 000000000000..793858be7814
--- /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 c0eb5b4f3dd7..18b827b866c9 100644
--- a/Python/marshal.c
+++ b/Python/marshal.c
@@ -1487,7 +1487,7 @@ 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;