Re: [PATCH net-next v1 1/4] virtio-net: fix overflow inside virtnet_rq_alloc

2024-11-05 Thread Michael S. Tsirkin
On Tue, Oct 29, 2024 at 04:46:12PM +0800, Xuan Zhuo wrote: > When the frag just got a page, then may lead to regression on VM. > Specially if the sysctl net.core.high_order_alloc_disable value is 1, > then the frag always get a page when do refill. > > Which could see reliable crashes or scp failu

Re: [PATCH net-next v1 1/4] virtio-net: fix overflow inside virtnet_rq_alloc

2024-11-05 Thread Jason Wang
On Tue, Oct 29, 2024 at 4:47 PM Xuan Zhuo wrote: > > When the frag just got a page, then may lead to regression on VM. > Specially if the sysctl net.core.high_order_alloc_disable value is 1, > then the frag always get a page when do refill. > > Which could see reliable crashes or scp failure (scp