From c6ea8974e2d939223bfd6d64ee13ec89c090d2e0 Mon Sep 17 00:00:00 2001 From: Zackery Spytz Date: Mon, 31 Jul 2017 08:24:37 -0600 Subject: bpo-30640: Fix undefined behavior in _PyFunction_FastCallDict() and PyEval_EvalCodeEx() (#2919) k + 1 was calculated with k = NULL. --- Python/ceval.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'Python/ceval.c') diff --git a/Python/ceval.c b/Python/ceval.c index 59fc070f9e..dd90e18a85 100644 --- a/Python/ceval.c +++ b/Python/ceval.c @@ -4220,7 +4220,8 @@ PyEval_EvalCodeEx(PyObject *_co, PyObject *globals, PyObject *locals, { return _PyEval_EvalCodeWithName(_co, globals, locals, args, argcount, - kws, kws + 1, kwcount, 2, + kws, kws != NULL ? kws + 1 : NULL, + kwcount, 2, defs, defcount, kwdefs, closure, NULL, NULL); -- cgit v1.2.1