Re: [PATCH 4.19 21/32] vhost_net: fix possible infinite loop

2019-08-04 Thread Jason Wang
On 2019/8/4 上午5:49, Pavel Machek wrote: Hi! This makes it possible to trigger a infinite while..continue loop through the co-opreation of two VMs like: 1) Malicious VM1 allocate 1 byte rx buffer and try to slow down the vhost process as much as possible e.g using indirect descriptors or

Re: [PATCH 4.19 21/32] vhost_net: fix possible infinite loop

2019-08-03 Thread Pavel Machek
Hi! > This makes it possible to trigger a infinite while..continue loop > through the co-opreation of two VMs like: > > 1) Malicious VM1 allocate 1 byte rx buffer and try to slow down the >vhost process as much as possible e.g using indirect descriptors or >other. > 2) Malicious VM2 gener