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bpo-29347: Fix possibly dereferencing undefined pointers when creating weakref objects by zhangyangyu · Pull Request #128 · python/cpython · GitHub
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bpo-29347: Fix possibly dereferencing undefined pointers when creating weakref objects #128

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Merged
zhangyangyu merged 3 commits into from
Feb 20, 2017
Merged

bpo-29347: Fix possibly dereferencing undefined pointers when creating weakref objects #128

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c885256
Fix possibly dereferencing undefined pointers when creating weakref o…
zhangyangyu Feb 16, 2017
2abca93
add entry in Misc/NEWS
zhangyangyu Feb 16, 2017
fda38aa
fix typo
zhangyangyu Feb 16, 2017
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Fix possibly dereferencing undefined pointers when creating weakref o… 
…bjects
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@zhangyangyu
zhangyangyu committed Feb 16, 2017
commit c885256356f7e9a8aad927b88776892c8a0f3759
2 changes: 2 additions & 0 deletions Objects/weakrefobject.c
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Original file line number Diff line number Diff line change
Expand Up @@ -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;
}
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