On Fri, 6 Apr 2012 08:58:18 -0400, Xi Wang <xi.wang at gmail.com> wrote: > A large args->buffer_count from userspace may overflow the allocation > size, leading to out-of-bounds access. > > Use kmalloc_array() to avoid that.
I can safely say that exec list larger than 4GiB is going to be an illegal operation and would rather the ioctl failed outright with EINVAL. -Chris -- Chris Wilson, Intel Open Source Technology Centre
