From d52a83a3d471ff3c7e9ebfa1731765e5334f7c24 Mon Sep 17 00:00:00 2001 From: Zackery Spytz Date: Wed, 26 Jun 2019 14:54:20 -0600 Subject: [PATCH] bpo-37419: Fix possible segfaults when passing large sequences to os.posix_spawn() (GH-14409) Use Py_ssize_t instead of int for i. --- Modules/posixmodule.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c index 5134ed7bdf..5f17fce1a7 100644 --- a/Modules/posixmodule.c +++ b/Modules/posixmodule.c @@ -5377,7 +5377,7 @@ parse_file_actions(PyObject *file_actions, return -1; } - for (int i = 0; i < PySequence_Fast_GET_SIZE(seq); ++i) { + for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(seq); ++i) { file_action = PySequence_Fast_GET_ITEM(seq, i); Py_INCREF(file_action); if (!PyTuple_Check(file_action) || !PyTuple_GET_SIZE(file_action)) { -- 2.40.0