Re: [PATCH net] openvswitch: Scrub skb between namespaces

2015-10-16 Thread Joe Stringer
On 14 October 2015 at 17:34, Pravin Shelar wrote: > On Wed, Oct 14, 2015 at 11:10 AM, Joe Stringer wrote: >> If OVS receives a packet from another namespace, then the packet should >> be scrubbed. However, people have already begun to rely on the behaviour >> that skb->mark is preserved across na

Re: [PATCH net] openvswitch: Scrub skb between namespaces

2015-10-14 Thread Pravin Shelar
On Wed, Oct 14, 2015 at 11:10 AM, Joe Stringer wrote: > If OVS receives a packet from another namespace, then the packet should > be scrubbed. However, people have already begun to rely on the behaviour > that skb->mark is preserved across namespaces, so retain this one field. > > This is mainly t

[PATCH net] openvswitch: Scrub skb between namespaces

2015-10-14 Thread Joe Stringer
If OVS receives a packet from another namespace, then the packet should be scrubbed. However, people have already begun to rely on the behaviour that skb->mark is preserved across namespaces, so retain this one field. This is mainly to address information leakage between namespaces when using OVS