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[3.14] gh-148418: Fix a possible reference leak in a corrupted TYPE_CODE marshal stream (GH-148419) #149363

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Merged
serhiy-storchaka merged 1 commit into from
May 4, 2026
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[3.14] gh-148418: Fix a possible reference leak in a corrupted TYPE_CODE marshal stream (GH-148419) #149363

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gh-148418: Fix a possible reference leak in a corrupted TYPE_CODE mar… 
…shal stream (GH-148419)

(cherry picked from commit c3972f2)

Co-authored-by: Wulian233 <1055917385@qq.com>
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@Wulian233 @miss-islington
Wulian233 authored and miss-islington committed May 4, 2026
commit 2923ae01faa3cfc4800e2000f974f439db28a504
1 change: 1 addition & 0 deletions Misc/NEWS.d/next/Core_and_Builtins/2026-04-12-10-40-57.gh-issue-148418.ggA1LZ.rst
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@@ -0,0 +1 @@
Fix a possible reference leak in a corrupted ``TYPE_CODE`` marshal stream.
2 changes: 1 addition & 1 deletion Python/marshal.c
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Expand Up @@ -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;
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