On Wed, 2014-10-29 at 11:51 -0700, Andy Lutomirski wrote: > On Wed, Oct 29, 2014 at 11:36 AM, Dan Carpenter > <dan.carpen...@oracle.com> wrote: > > On Wed, Oct 29, 2014 at 09:23:45AM -0700, Andy Lutomirski wrote: > >> I have no idea what the semantics are. All I'm saying is that it > >> looks like the code still accesses memory past the end of the buffer. > >> The buffer isn't a null pointer, so the symptom is different, but it > >> may still be a security bug. > >> > >> --Andy > > > > It only reads one byte into the struct "xattr_data->type" so checking > > for non-zero is sufficient and the patch is fine. > > Indeed. Still... eww. I don't like code that, upon local inspection, > is apparently wrong, even though it's coincidentally correct due to > some other far away condition.
No, the code may be incomplete, but definitely not wrong. Mimi -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/