https://github.com/python/cpython/commit/18aec59fe5bbae9225951ca4d69bfca17eba82d8
commit: 18aec59fe5bbae9225951ca4d69bfca17eba82d8
branch: main
author: Pieter Eendebak <[email protected]>
committer: encukou <[email protected]>
date: 2026-03-04T14:34:24+01:00
summary:

gh-145376: Fix refleak in unusual error path in BaseExceptionGroup_new 
(GH-145474)

files:
M Objects/exceptions.c

diff --git a/Objects/exceptions.c b/Objects/exceptions.c
index 499fb2b34b34a8..f5edc286243ee1 100644
--- a/Objects/exceptions.c
+++ b/Objects/exceptions.c
@@ -912,7 +912,7 @@ BaseExceptionGroup_new(PyTypeObject *type, PyObject *args, 
PyObject *kwds)
 
     exceptions = PySequence_Tuple(exceptions);
     if (!exceptions) {
-        return NULL;
+        goto error;
     }
 
     /* We are now holding a ref to the exceptions tuple */

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