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gh-92930: _pickle.c: Acquire strong references before calling save() #92931

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Merged
sweeneyde merged 11 commits into from
Jun 11, 2022
Merged

gh-92930: _pickle.c: Acquire strong references before calling save() #92931

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9b70755
Acquire strong references after PyDict_Next
sweeneyde May 18, 2022
7af44c4
simplify test
sweeneyde May 18, 2022
802a220
📜🤖 Added by blurb_it.
blurb-it[bot] May 18, 2022
a2a8e35
INCREF before save() in batch_list_exact
sweeneyde Jun 10, 2022
58ad6a2
Merge branch 'main' into picklecrasher
sweeneyde Jun 10, 2022
e48b31d
Add INCREF/DECREF for save_set
sweeneyde Jun 10, 2022
72b3dd5
Merge branch 'picklecrasher' of https://github.com/sweeneyde/cpython …
sweeneyde Jun 10, 2022
7b8f697
More tests
sweeneyde Jun 10, 2022
7133c2c
Check non-singleton set
sweeneyde Jun 10, 2022
a939d16
Update Misc/NEWS.d/next/Core and Builtins/2022-05-18-18-34-45.gh-issu…
sweeneyde Jun 10, 2022
370c44e
clean up test case, better name
sweeneyde Jun 11, 2022
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Add INCREF/DECREF for save_set
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@sweeneyde
sweeneyde committed Jun 10, 2022
commit e48b31dbf4647cf15c1e439fb036590d9e69741a
5 changes: 4 additions & 1 deletion Modules/_pickle.c
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Original file line number Diff line number Diff line change
Expand Up @@ -3431,7 +3431,10 @@ save_set(PicklerObject *self, PyObject *obj)
if (_Pickler_Write(self, &mark_op, 1) < 0)
return -1;
while (_PySet_NextEntry(obj, &ppos, &item, &hash)) {
if (save(self, item, 0) < 0)
Py_INCREF(item);
int err = save(self, item, 0);
Py_CLEAR(item);
if (err < 0)
return -1;
if (++i == BATCHSIZE)
break;
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