On 06/21/2013 06:01 AM, Eric W. Biederman wrote: > Gao feng <gaofeng@xxxxxxxxxxxxxx> writes: > >> On 06/20/2013 11:02 AM, Gao feng wrote: >>> If we don't tie audit to user namespace, there is still one problem. >> >> One more problem. some audit messages are generated by some net subsystem >> such as netfilter. If we don't tie audit to user namespace, we have no >> idea where these audit messages should go. there is no relationship between >> net namespace and audit namespace while we can get user namespace through >> net user namespace. > > I am in favor of the user namespace tie in. > > I am in favor of running a per user namespace audit filter once per user > namespace walking up the user namespace hierarchy. Each filter would > deliver messages to a different userspace audit daemon. > Agree, this sounds reasonable. > Until we agreement to go that far I am not certain the kernel generated > audit messages should go anywhere except to the global audit daemon. There are some audit messages that we sure where they should go, we can start from them firstly. > > I think on an individual basis we can look at kernel audit messages and > see if they should go to just the global user namespace. Just the user > namspace of the relevant network stack. Or if the message should go to > the audit daemon of every user namespace that is an ancestor of some > starting user namespace. > > But please let's error on the side of caution here. > > Eric > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > _______________________________________________ Containers mailing list Containers@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/containers