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Issue #15726: Fix incorrect bounds checking in PyState_FindModule.

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Patch by Robin Schreiber.
This commit is contained in:
Antoine Pitrou 2012-08-20 19:30:46 +02:00
parent 07795df683
commit 75506e8b7c
3 changed files with 5 additions and 1 deletions
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1
Misc/ACKS
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@ -848,6 +848,7 @@ Ralf Schmitt
Michael Schneider Michael Schneider
Peter Schneider-Kamp Peter Schneider-Kamp
Arvin Schnell Arvin Schnell
Robin Schreiber
Chad J. Schroeder Chad J. Schroeder
Sam Schulenburg Sam Schulenburg
Stefan Schwarzer Stefan Schwarzer

3
Misc/NEWS
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@ -10,6 +10,9 @@ What's New in Python 3.2.4
Core and Builtins 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 - Issue #15604: Update uses of PyObject_IsTrue() to check for and handle
errors correctly. Patch by Serhiy Storchaka. errors correctly. Patch by Serhiy Storchaka.

2
Python/pystate.c
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@ -248,7 +248,7 @@ PyState_FindModule(struct PyModuleDef* m)
return NULL; return NULL;
if (state->modules_by_index == NULL) if (state->modules_by_index == NULL)
return NULL; return NULL;
if (index > PyList_GET_SIZE(state->modules_by_index)) if (index >= PyList_GET_SIZE(state->modules_by_index))
return NULL; return NULL;
res = PyList_GET_ITEM(state->modules_by_index, index); res = PyList_GET_ITEM(state->modules_by_index, index);
return res==Py_None ? NULL : res; return res==Py_None ? NULL : res;