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| author | Guido van Rossum <guido@python.org> | 1998-09-25 14:11:46 (GMT) |
|---|---|---|
| committer | Guido van Rossum <guido@python.org> | 1998-09-25 14:11:46 (GMT) |
| commit | 67906af81148617da6638469e97085e7485b17a0 (patch) | |
| tree | f78b366dc340029f6d950119683951a29b2104d0 /Objects/frameobject.c | |
| parent | d35c255e44e64db7323ef278dd3c5da35808785f (diff) | |
| download | cpython-67906af81148617da6638469e97085e7485b17a0.zip cpython-67906af81148617da6638469e97085e7485b17a0.tar.gz cpython-67906af81148617da6638469e97085e7485b17a0.tar.bz2 | |
In PyFrame_New(), don't set extras to something derived from code
before code has been checked for validity. Discovered by Vladimir
Marangozov.
Diffstat (limited to 'Objects/frameobject.c')
| -rw-r--r-- | Objects/frameobject.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/Objects/frameobject.c b/Objects/frameobject.c index a98d68e..5d85445 100644 --- a/Objects/frameobject.c +++ b/Objects/frameobject.c @@ -150,7 +150,7 @@ PyFrame_New(tstate, code, globals, locals) static PyObject *builtin_object; PyFrameObject *f; PyObject *builtins; - int extras = code->co_stacksize + code->co_nlocals; + int extras; if (builtin_object == NULL) { builtin_object = PyString_InternFromString("__builtins__"); @@ -164,6 +164,7 @@ PyFrame_New(tstate, code, globals, locals) PyErr_BadInternalCall(); return NULL; } + extras = code->co_stacksize + code->co_nlocals; if (back == NULL || back->f_globals != globals) { builtins = PyDict_GetItem(globals, builtin_object); if (builtins != NULL && PyModule_Check(builtins)) |