diff options
| author | Jeroen Demeyer <J.Demeyer@UGent.be> | 2019-05-10 17:21:11 (GMT) |
|---|---|---|
| committer | Antoine Pitrou <antoine@python.org> | 2019-05-10 17:21:10 (GMT) |
| commit | 351c67416ba4451eb3928fa0b2e933c2f25df1a3 (patch) | |
| tree | 5054fe93291fa93533ddd97622f329e96a31847e /Objects/listobject.c | |
| parent | a2fedd8c910cb5f5b9bd568d6fd44d63f8f5cfa5 (diff) | |
| download | cpython-351c67416ba4451eb3928fa0b2e933c2f25df1a3.zip cpython-351c67416ba4451eb3928fa0b2e933c2f25df1a3.tar.gz cpython-351c67416ba4451eb3928fa0b2e933c2f25df1a3.tar.bz2 | |
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/listobject.c')
| -rw-r--r-- | Objects/listobject.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Objects/listobject.c b/Objects/listobject.c index c299542..08b3e89 100644 --- a/Objects/listobject.c +++ b/Objects/listobject.c @@ -361,7 +361,7 @@ list_dealloc(PyListObject *op) { Py_ssize_t i; PyObject_GC_UnTrack(op); - Py_TRASHCAN_SAFE_BEGIN(op) + Py_TRASHCAN_BEGIN(op, list_dealloc) if (op->ob_item != NULL) { /* Do it backwards, for Christian Tismer. There's a simple test case where somehow this reduces @@ -377,7 +377,7 @@ list_dealloc(PyListObject *op) free_list[numfree++] = op; else Py_TYPE(op)->tp_free((PyObject *)op); - Py_TRASHCAN_SAFE_END(op) + Py_TRASHCAN_END } static PyObject * |