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Fix possible leak of return of PySequence_GetItem. #13333

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Merged
merged 1 commit into from
Feb 2, 2019
Merged

Fix possible leak of return of PySequence_GetItem. #13333

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1 change: 1 addition & 0 deletions 1 src/_path_wrapper.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -727,6 +727,7 @@ static PyObject *Py_convert_to_string(PyObject *self, PyObject *args, PyObject *
return NULL;
}
codes[i] = PyBytes_AsString(item);
Py_DECREF(item);
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Just change the PyArg_ParseTuple call to use a (yyyyy) format for parsing the codes argument instead?

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I am 50/50 on that. It lets python do more of the work, but is also a bigger change.

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I think all of our callers pass the right length lists, but as I'm targeting 3.0.3 with this, I'm not sure if it's quite as safe to be backporting that version.

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But we already error out a few lines above if the length is not 5.
Anyways I don't want to insist too much on this, if you don't want to make the bigger change that's fine with me too.

if (codes[i] == NULL) {
return NULL;
}
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1 change: 1 addition & 0 deletions 1 src/py_adaptors.h
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Expand Up @@ -240,6 +240,7 @@ class PathGenerator
throw py::exception();
}
if (!convert_path(item, &path)) {
Py_DECREF(item);
throw py::exception();
}
Py_DECREF(item);
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