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| author | INADA Naoki <methane@users.noreply.github.com> | 2017-08-24 05:55:17 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2017-08-24 05:55:17 (GMT) |
| commit | a6296d34a478b4f697ea9db798146195075d496c (patch) | |
| tree | 6a26d56297f7d85dd6a8f18bca96e0c4ffb60802 /Modules/_collectionsmodule.c | |
| parent | bf9075a0c55186d2f34df63e6c8512dd6414ff4b (diff) | |
| download | cpython-a6296d34a478b4f697ea9db798146195075d496c.zip cpython-a6296d34a478b4f697ea9db798146195075d496c.tar.gz cpython-a6296d34a478b4f697ea9db798146195075d496c.tar.bz2 | |
bpo-31095: fix potential crash during GC (GH-2974)
Diffstat (limited to 'Modules/_collectionsmodule.c')
| -rw-r--r-- | Modules/_collectionsmodule.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Modules/_collectionsmodule.c b/Modules/_collectionsmodule.c index aa582ed..adbe789 100644 --- a/Modules/_collectionsmodule.c +++ b/Modules/_collectionsmodule.c @@ -1717,6 +1717,8 @@ dequeiter_traverse(dequeiterobject *dio, visitproc visit, void *arg) static void dequeiter_dealloc(dequeiterobject *dio) { + /* bpo-31095: UnTrack is needed before calling any callbacks */ + PyObject_GC_UnTrack(dio); Py_XDECREF(dio->deque); PyObject_GC_Del(dio); } @@ -2097,6 +2099,8 @@ static PyMemberDef defdict_members[] = { static void defdict_dealloc(defdictobject *dd) { + /* bpo-31095: UnTrack is needed before calling any callbacks */ + PyObject_GC_UnTrack(dd); Py_CLEAR(dd->default_factory); PyDict_Type.tp_dealloc((PyObject *)dd); } |