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| author | Jeroen Demeyer <J.Demeyer@UGent.be> | 2019-05-10 19:21:11 +0200 |
|---|---|---|
| committer | Antoine Pitrou <antoine@python.org> | 2019-05-10 19:21:10 +0200 |
| commit | 351c67416ba4451eb3928fa0b2e933c2f25df1a3 (patch) | |
| tree | 5054fe93291fa93533ddd97622f329e96a31847e /Objects/descrobject.c | |
| parent | a2fedd8c910cb5f5b9bd568d6fd44d63f8f5cfa5 (diff) | |
| download | cpython-351c67416ba4451eb3928fa0b2e933c2f25df1a3.tar.gz cpython-351c67416ba4451eb3928fa0b2e933c2f25df1a3.zip | |
bpo-35983: skip trashcan for subclasses (GH-11841)
Add new trashcan macros to deal with a double deallocation that could occur when the `tp_dealloc` of a subclass calls the `tp_dealloc` of a base class and that base class uses the trashcan mechanism.
Patch by Jeroen Demeyer.
Diffstat (limited to 'Objects/descrobject.c')
| -rw-r--r-- | Objects/descrobject.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Objects/descrobject.c b/Objects/descrobject.c index 0fe9a441b82..8f1a823768f 100644 --- a/Objects/descrobject.c +++ b/Objects/descrobject.c @@ -1021,11 +1021,11 @@ static void wrapper_dealloc(wrapperobject *wp) { PyObject_GC_UnTrack(wp); - Py_TRASHCAN_SAFE_BEGIN(wp) + Py_TRASHCAN_BEGIN(wp, wrapper_dealloc) Py_XDECREF(wp->descr); Py_XDECREF(wp->self); PyObject_GC_Del(wp); - Py_TRASHCAN_SAFE_END(wp) + Py_TRASHCAN_END } static PyObject * |