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python
bpo-29347-dereferencing-undefined-pointers.patch
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File bpo-29347-dereferencing-undefined-pointers.patch of Package python
From 7131a73f9655cfd325c798385905326f57b94640 Mon Sep 17 00:00:00 2001 From: Xiang Zhang <angwerzx@126.com> Date: Mon, 20 Feb 2017 14:32:53 +0800 Subject: [PATCH] bpo-29347: Fix possibly dereferencing undefined pointers when creating weakref objects (#128) (#187) --- Misc/NEWS | 3 +++ Objects/weakrefobject.c | 2 ++ 2 files changed, 5 insertions(+) --- a/Misc/NEWS +++ b/Misc/NEWS @@ -80,6 +80,9 @@ Core and Builtins - Issue #27514: Make having too many statically nested blocks a SyntaxError instead of SystemError. +- bpo-29347: Fixed possibly dereferencing undefined pointers + when creating weakref objects. + Library ------- --- a/Objects/weakrefobject.c +++ b/Objects/weakrefobject.c @@ -24,6 +24,8 @@ init_weakref(PyWeakReference *self, PyOb { self->hash = -1; self->wr_object = ob; + self->wr_prev = NULL; + self->wr_next = NULL; Py_XINCREF(callback); self->wr_callback = callback; }
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