On 2018年01月30日 01:01, David Miller wrote:
From: Jason Wang
Date: Thu, 25 Jan 2018 15:31:42 +0800
We try to allocate one more entry for lockless peeking. The adding
operation may overflow which causes zero to be passed to kmalloc().
In this case, it returns ZERO_SIZE_PTR without any notice by
From: Jason Wang
Date: Thu, 25 Jan 2018 15:31:42 +0800
> We try to allocate one more entry for lockless peeking. The adding
> operation may overflow which causes zero to be passed to kmalloc().
> In this case, it returns ZERO_SIZE_PTR without any notice by ptr
> ring. Try to do producing or consu
On Fri, Jan 26, 2018 at 11:44:22AM +0800, Jason Wang wrote:
>
>
> On 2018年01月26日 01:31, Michael S. Tsirkin wrote:
> > On Thu, Jan 25, 2018 at 10:17:38PM +0800, Jason Wang wrote:
> > >
> > > On 2018年01月25日 21:45, Michael S. Tsirkin wrote:
> > > > On Thu, Jan 25, 2018 at 03:31:42PM +0800, Jason Wa
On 2018年01月26日 01:31, Michael S. Tsirkin wrote:
On Thu, Jan 25, 2018 at 10:17:38PM +0800, Jason Wang wrote:
On 2018年01月25日 21:45, Michael S. Tsirkin wrote:
On Thu, Jan 25, 2018 at 03:31:42PM +0800, Jason Wang wrote:
We try to allocate one more entry for lockless peeking. The adding
operatio
On Thu, Jan 25, 2018 at 10:17:38PM +0800, Jason Wang wrote:
>
>
> On 2018年01月25日 21:45, Michael S. Tsirkin wrote:
> > On Thu, Jan 25, 2018 at 03:31:42PM +0800, Jason Wang wrote:
> > > We try to allocate one more entry for lockless peeking. The adding
> > > operation may overflow which causes zero
On 2018年01月25日 21:45, Michael S. Tsirkin wrote:
On Thu, Jan 25, 2018 at 03:31:42PM +0800, Jason Wang wrote:
We try to allocate one more entry for lockless peeking. The adding
operation may overflow which causes zero to be passed to kmalloc().
In this case, it returns ZERO_SIZE_PTR without any
On Thu, Jan 25, 2018 at 03:31:42PM +0800, Jason Wang wrote:
> We try to allocate one more entry for lockless peeking. The adding
> operation may overflow which causes zero to be passed to kmalloc().
> In this case, it returns ZERO_SIZE_PTR without any notice by ptr
> ring. Try to do producing or co
We try to allocate one more entry for lockless peeking. The adding
operation may overflow which causes zero to be passed to kmalloc().
In this case, it returns ZERO_SIZE_PTR without any notice by ptr
ring. Try to do producing or consuming on such ring will lead NULL
dereference. Fix this detect and
