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Issue #15726: Fix incorrect bounds checking in PyState_FindModule. 

Patch by Robin Schreiber.
This commit is contained in:
Antoine Pitrou 2012-08-20 19:31:52 +02:00
parent 66d1eb23d4 75506e8b7c
commit 35503c9c14
2 changed files with 4 additions and 1 deletions
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3
Misc/NEWS
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@ -10,6 +10,9 @@ What's New in Python 3.3.0 Release Candidate 1?
Core and Builtins
-----------------
- Issue #15726: Fix incorrect bounds checking in PyState_FindModule.
Patch by Robin Schreiber.
- Issue #15604: Update uses of PyObject_IsTrue() to check for and handle
errors correctly. Patch by Serhiy Storchaka.

2
Python/pystate.c
View File

@ -248,7 +248,7 @@ PyState_FindModule(struct PyModuleDef* module)
return NULL;
if (state->modules_by_index == NULL)
return NULL;
if (index > PyList_GET_SIZE(state->modules_by_index))
if (index >= PyList_GET_SIZE(state->modules_by_index))
return NULL;
res = PyList_GET_ITEM(state->modules_by_index, index);
return res==Py_None ? NULL : res;