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[3.15] gh-151773: Fix NULL dereference in PyContextVar_Set (GH-151836) (#152009)

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gh-151773: Fix NULL dereference in `PyContextVar_Set` (GH-151836)
(cherry picked from commit d35b1719a5)

Co-authored-by: dev <b.chouksey27@gmail.com>
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Miss Islington (bot) 2026-06-23 16:46:05 +02:00 • committed by GitHub
parent 672825e2f3
commit 7b765a47b8
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Python/context.c
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@ -362,6 +362,9 @@ PyContextVar_Set(PyObject *ovar, PyObject *val)
Py_XINCREF(old_val);
PyContextToken *tok = token_new(ctx, var, old_val);
Py_XDECREF(old_val);
if (tok == NULL) {
return NULL;
}
if (contextvar_set(var, val)) {
Py_DECREF(tok);