Created on 2014-02-04 23:09 by christian.heimes, last changed 2014-02-10 20:23 by serhiy.storchaka. This issue is now closed.
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| File name | Uploaded | Description | Edit | |
| cid1167595.patch | christian.heimes, 2014-02-04 23:09 | review | ||
| Messages (4) | |||
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| msg210276 - (view) | Author: Christian Heimes (christian.heimes) *  |
Date: 2014-02-04 23:09 | |
varname_converter() doesn't check the return value of PyUnicode_AsUTF8AndSize() for NULL. The bug was introduced by http://hg.python.org/cpython/rev/321b714653e3 / issue #20368 3. returned_null: Function "PyUnicode_AsUTF8AndSize(PyObject *, Py_ssize_t *)" returns null (checked 28 out of 30 times).[show details] 4. var_assigned: Assigning: "s" = null return value from "PyUnicode_AsUTF8AndSize(PyObject *, Py_ssize_t *)". 1399 s = PyUnicode_AsUTF8AndSize(in, &size); 5. Condition "size > 2147483647", taking false branch 1400 if (size > INT_MAX) { 1401 PyErr_SetString(PyExc_OverflowError, "string is too long"); 1402 return 0; 1403 } CID 1167595 (#1 of 1): Dereference null return value (NULL_RETURNS)6. dereference: Dereferencing a pointer that might be null "s" when calling "strlen(char const *)" 1404 if (strlen(s) != size) { |
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| msg210279 - (view) | Author: Roundup Robot (python-dev)  |
Date: 2014-02-04 23:31 | |
New changeset d83ce3a2d954 by Christian Heimes in branch '3.3': Issue #20515: Fix NULL pointer dereference introduced by issue #20368 http://hg.python.org/cpython/rev/d83ce3a2d954 New changeset 145032f626d3 by Christian Heimes in branch 'default': Issue #20515: Fix NULL pointer dereference introduced by issue #20368 http://hg.python.org/cpython/rev/145032f626d3 |
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| msg210282 - (view) | Author: Terry J. Reedy (terry.reedy) * |
Date: 2014-02-05 01:05 | |
Is the fix needed for 2.7? |
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| msg210863 - (view) | Author: Serhiy Storchaka (serhiy.storchaka) * |
Date: 2014-02-10 20:23 | |
No, in 2.7 varname converter doesn't accept unicode. Good catch Christian. |
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| History | |||
|---|---|---|---|
| Date | User | Action | Args |
| 2014-02-10 20:23:01 | serhiy.storchaka | set | status: open -> closed resolution: fixed messages: + msg210863 stage: patch review -> resolved |
| 2014-02-05 01:05:14 | terry.reedy | set | nosy:
+ terry.reedy messages: + msg210282 |
| 2014-02-04 23:31:43 | python-dev | set | nosy:
+ python-dev messages: + msg210279 |
| 2014-02-04 23:09:12 | christian.heimes | create | |