Re: [PATCH 1/5] virtio-net: fix overflow inside virtnet_rq_alloc

2024-10-25 Thread Simon Horman
On Fri, Oct 25, 2024 at 10:35:53AM +0800, Xuan Zhuo wrote: > On Thu, 17 Oct 2024 15:42:59 +0200, Paolo Abeni wrote: > > > > > > On 10/14/24 05:12, 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_disabl

Re: [PATCH 1/5] virtio-net: fix overflow inside virtnet_rq_alloc

2024-10-24 Thread Xuan Zhuo
On Fri, 18 Oct 2024 15:41:41 +0800, Jason Wang wrote: > On Mon, Oct 14, 2024 at 11:12 AM 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

Re: [PATCH 1/5] virtio-net: fix overflow inside virtnet_rq_alloc

2024-10-24 Thread Xuan Zhuo
On Thu, 17 Oct 2024 15:42:59 +0200, Paolo Abeni wrote: > > > On 10/14/24 05:12, 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. > > >

Re: [PATCH 1/5] virtio-net: fix overflow inside virtnet_rq_alloc

2024-10-19 Thread Michael S. Tsirkin
On Thu, Oct 17, 2024 at 03:42:59PM +0200, Paolo Abeni wrote: > > > On 10/14/24 05:12, 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

Re: [PATCH 1/5] virtio-net: fix overflow inside virtnet_rq_alloc

2024-10-18 Thread Jason Wang
On Mon, Oct 14, 2024 at 11:12 AM 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

Re: [PATCH 1/5] virtio-net: fix overflow inside virtnet_rq_alloc

2024-10-17 Thread Paolo Abeni
On 10/14/24 05:12, 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 a file 100M in size