Le 02/09/2016 à 06:53, Cong Wang a écrit : > We never read or change netns id in hardirq context, > the only place we read netns id in softirq context > is in vxlan_xmit(). So, it should be enough to just > disable BH.
Are you sure? Did you audit all part of the code? peernet2id() is called from netlink core system (do_one_broadcast()). Are you sure that no driver call this function from an hard irq context? I think that NETLINK_LISTEN_ALL_NSID is largely untested, so it will be hard to detect a bug introduced in this feature.
