On Wed, Dec 15, 2021 at 6:11 PM Liuxiangdong <liuxiangdong5@xxxxxxxxxx> wrote: > > Hi, yongji. > > In vduse patches serial[1], you said "The support for other device types > can be added after the security issue of corresponding device driver > is clarified or fixed in the future." > > What does this "security issue" mean? > > [1]https://lore.kernel.org/all/20210831103634.33-1-xieyongji@xxxxxxxxxxxxx/ > > Do you mean that vduse device is untrusted, so we should check config or > data transferred > from vduse to virtio module? Or something others? Yes, we need to make sure untrusted devices can not do harm to the kernel. So we need careful auditing for the device driver before we add more device types. > Because I found you added some validation in virtio module just like > this patch[2]. > > [2]https://lore.kernel.org/lkml/20210531135852.113-1-xieyongji@xxxxxxxxxxxxx/ > Other efforts are shown below: https://lwn.net/Articles/865216/ https://lwn.net/Articles/872648/ Thanks, Yongji
