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authorXiang Zhang <angwerzx@126.com>2017-02-20 06:33:02 (GMT)
committerGitHub <noreply@github.com>2017-02-20 06:33:02 (GMT)
commit9a4577a4bb23888fed2cf192cf1a4c95ce5c26f8 (patch)
tree605e1fef8b7bf179c99645802b48ceb114cc2ac1 /Objects
parenta4afdfcf27c2fa53c60b65867765244361abb1fc (diff)
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bpo-29347: Fix possibly dereferencing undefined pointers when creating weakref objects (#128) (#186)
Diffstat (limited to 'Objects')
-rw-r--r--Objects/weakrefobject.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/Objects/weakrefobject.c b/Objects/weakrefobject.c
index ab6b235..9ca386d 100644
--- a/Objects/weakrefobject.c
+++ b/Objects/weakrefobject.c
@@ -24,6 +24,8 @@ init_weakref(PyWeakReference *self, PyObject *ob, PyObject *callback)
{
self->hash = -1;
self->wr_object = ob;
+ self->wr_prev = NULL;
+ self->wr_next = NULL;
Py_XINCREF(callback);
self->wr_callback = callback;
}