From: Yongtao Huang <yongtaoh2022@gmail.com>
Date: Wed, 1 Apr 2026 16:34:55 +0000 (+0800)
Subject: gh-147960: Fix memory leak in crossinterp _tuple_shared() on alloc failure (#147961)
X-Git-Tag: v3.15.0a8~78
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4810beddbfc71fd8743bc89c5d07edef8877d754;p=thirdparty%2FPython%2Fcpython.git

gh-147960: Fix memory leak in crossinterp _tuple_shared() on alloc failure (#147961)
---

diff --git a/Python/crossinterp_data_lookup.h b/Python/crossinterp_data_lookup.h
index cf84633e10e3..54422ad2335c 100644
--- a/Python/crossinterp_data_lookup.h
+++ b/Python/crossinterp_data_lookup.h
@@ -657,6 +657,7 @@ _tuple_shared(PyThreadState *tstate, PyObject *obj, xidata_fallback_t fallback,
     shared->items = (_PyXIData_t **) PyMem_Calloc(shared->len, sizeof(_PyXIData_t *));
     if (shared->items == NULL) {
         PyErr_NoMemory();
+        PyMem_RawFree(shared);
         return -1;
     }