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| author | Benjamin Peterson <benjamin@python.org> | 2014-10-11 00:58:30 (GMT) |
|---|---|---|
| committer | Benjamin Peterson <benjamin@python.org> | 2014-10-11 00:58:30 (GMT) |
| commit | 682124ccc3c7e07006ca99346f749689a5229459 (patch) | |
| tree | 8e42d17de9846f99287b10a097887460faaa9b02 /Modules/arraymodule.c | |
| parent | ad0c57fed8ede5b7291d0e401f3595975f5eddad (diff) | |
| download | cpython-682124ccc3c7e07006ca99346f749689a5229459.zip cpython-682124ccc3c7e07006ca99346f749689a5229459.tar.gz cpython-682124ccc3c7e07006ca99346f749689a5229459.tar.bz2 | |
prevent passing NULL to memcpy (closes #22605)
Patch by Jakub Wilk.
Diffstat (limited to 'Modules/arraymodule.c')
| -rw-r--r-- | Modules/arraymodule.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Modules/arraymodule.c b/Modules/arraymodule.c index 4a1c158..24f0ea0 100644 --- a/Modules/arraymodule.c +++ b/Modules/arraymodule.c @@ -2628,7 +2628,7 @@ array_new(PyTypeObject *type, PyObject *args, PyObject *kwds) self->allocated = Py_SIZE(self); } } - else if (initial != NULL && array_Check(initial)) { + else if (initial != NULL && array_Check(initial) && len > 0) { arrayobject *self = (arrayobject *)a; arrayobject *other = (arrayobject *)initial; memcpy(self->ob_item, other->ob_item, len * other->ob_descr->itemsize); |