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bpo-37419: Fix possible segfaults when passing large sequences to os.posix_spawn() (GH-14409) 

Use Py_ssize_t instead of int for i.
(cherry picked from commit d52a83a3d4)

Co-authored-by: Zackery Spytz <zspytz@gmail.com>
This commit is contained in:
Miss Islington (bot) 2019-06-26 14:20:09 -07:00 committed by GitHub
parent 5c4ce3e2fa
commit 04d4692579
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1 changed files with 1 additions and 1 deletions
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Modules/posixmodule.c
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@ -5380,7 +5380,7 @@ 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)) {