On Tue, Aug 8, 2017 at 5:30 PM, Jiri Pirko <j...@resnulli.us> wrote: > Tue, Aug 08, 2017 at 04:13:27AM CEST, lucien....@gmail.com wrote: >>Now xt_tgchk_param par in ipt_init_target is a local varibale, >>par.net is not initialized there. Later when xt_check_target >>calls target's checkentry in which it may access par.net, it >>would cause kernel panic. >> >>Jaroslav found this panic when running: >> >> # ip link add TestIface type dummy >> # tc qd add dev TestIface ingress handle ffff: >> # tc filter add dev TestIface parent ffff: u32 match u32 0 0 \ >> action xt -j CONNMARK --set-mark 4 >> >>This patch is to pass net param into ipt_init_target and set >>par.net with it properly in there. >> >>v1->v2: >> As Wang Cong pointed, I missed ipt_net_id != xt_net_id, so fix >> it by also passing net_id to __tcf_ipt_init. >> >>Reported-by: Jaroslav Aster <jas...@redhat.com> >>Signed-off-by: Xin Long <lucien....@gmail.com> > > Fixes what? You need to have "Fixes" tag for net patches. Fixes: ecb2421b5ddf ("netfilter: add and use nf_ct_netns_get/put")
Thanks, I will repost