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| author | Benjamin Peterson <benjamin@python.org> | 2015-02-02 02:10:47 (GMT) |
|---|---|---|
| committer | Benjamin Peterson <benjamin@python.org> | 2015-02-02 02:10:47 (GMT) |
| commit | 6f082297b260d3eb4975d6d4305eba6fd26f9ae9 (patch) | |
| tree | 73a5f3fd814cd728c653365dfece1ea7db2dbae6 /Modules/itertoolsmodule.c | |
| parent | 4b40eeb33901c3a520ce78ae88eb5ee06870130f (diff) | |
| download | cpython-6f082297b260d3eb4975d6d4305eba6fd26f9ae9.zip cpython-6f082297b260d3eb4975d6d4305eba6fd26f9ae9.tar.gz cpython-6f082297b260d3eb4975d6d4305eba6fd26f9ae9.tar.bz2 | |
check for overflow in combinations_with_replacement (closes #23365)
Diffstat (limited to 'Modules/itertoolsmodule.c')
| -rw-r--r-- | Modules/itertoolsmodule.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Modules/itertoolsmodule.c b/Modules/itertoolsmodule.c index 5805143..1075d95 100644 --- a/Modules/itertoolsmodule.c +++ b/Modules/itertoolsmodule.c @@ -2659,6 +2659,10 @@ cwr_new(PyTypeObject *type, PyObject *args, PyObject *kwds) goto error; } + if (r > PY_SSIZE_T_MAX/sizeof(Py_ssize_t)) { + PyErr_SetString(PyExc_OverflowError, "r is too big"); + goto error; + } indices = PyMem_Malloc(r * sizeof(Py_ssize_t)); if (indices == NULL) { PyErr_NoMemory(); |