Re: [PATCH 2/9] virtio_pci: use shared interrupts for virtqueues

Jason Wang
2017-02-03T09:56:38Z

On 2017年02月03日 17:52, Christoph Hellwig wrote:
> On Fri, Feb 03, 2017 at 05:47:41PM +0800, Jason Wang wrote:
>>> No, we need to allocate the array larger in that case as want proper
>>> names for the interrupts.
>> Consider the case of !per_vq_vectors, the size of msix_names is 2, but
>> snprintf can do out of bound accessing here. (We name the msix shared by
>> virtqueues with something like "%s-virtqueues" before the patch).
> Yes, that's what I meant above - we need to allocate a large array
> starting with this patch. I'll fix it up for the next version.

I see.

Thanks