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| author | Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> | 2018-05-09 22:27:59 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-05-09 22:27:59 (GMT) |
| commit | 8ac158a6dfb86880e22003afe0ff39ec31b0a094 (patch) | |
| tree | 0c939d34c76755f0020406e8d096180d70cd38cf /Modules/_ctypes | |
| parent | fa40fc0593012893e447875632e9ed3df277561f (diff) | |
| download | cpython-8ac158a6dfb86880e22003afe0ff39ec31b0a094.zip cpython-8ac158a6dfb86880e22003afe0ff39ec31b0a094.tar.gz cpython-8ac158a6dfb86880e22003afe0ff39ec31b0a094.tar.bz2 | |
bpo-21983: Fix a crash in ctypes.cast() when passed a ctypes structured data type (GH-3859)
(cherry picked from commit d518d8bc8d5dac1a1270612f424d33e0e5afc2b5)
Co-authored-by: Oren Milman <orenmn@gmail.com>
Diffstat (limited to 'Modules/_ctypes')
| -rw-r--r-- | Modules/_ctypes/_ctypes.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Modules/_ctypes/_ctypes.c b/Modules/_ctypes/_ctypes.c index 258e805..2c0a769 100644 --- a/Modules/_ctypes/_ctypes.c +++ b/Modules/_ctypes/_ctypes.c @@ -5327,7 +5327,7 @@ cast_check_pointertype(PyObject *arg) if (PyCFuncPtrTypeObject_Check(arg)) return 1; dict = PyType_stgdict(arg); - if (dict) { + if (dict != NULL && dict->proto != NULL) { if (PyUnicode_Check(dict->proto) && (strchr("sPzUZXO", PyUnicode_AsUTF8(dict->proto)[0]))) { /* simple pointer types, c_void_p, c_wchar_p, BSTR, ... */ |