https://github.com/python/cpython/commit/c3972f2795bf9270008d09dc6919b9735e20c606
commit: c3972f2795bf9270008d09dc6919b9735e20c606
branch: main
author: Wulian233 <[email protected]>
committer: serhiy-storchaka <[email protected]>
date: 2026-05-04T16:42:02+03:00
summary:
gh-148418: Fix a possible reference leak in a corrupted TYPE_CODE marshal
stream (GH-148419)
files:
A
Misc/NEWS.d/next/Core_and_Builtins/2026-04-12-10-40-57.gh-issue-148418.ggA1LZ.rst
M Python/marshal.c
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 dace22da0d4a94..990afefe0d3b41 100644
--- a/Python/marshal.c
+++ b/Python/marshal.c
@@ -1636,7 +1636,7 @@ 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;
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