Re: [PATCH 4.4 018/101] netfilter: synproxy: fix conntrackd interaction
On Thu, Aug 17, 2017 at 07:57:07AM +0200, Stefan Bader wrote: > On 03.07.2017 15:34, Greg Kroah-Hartman wrote: > > 4.4-stable review patch. If anyone has any objections, please let me know. > > We found that pulling below patch into stable trees without also pulling > > commit 9c3f3794926a997b1cab6c42480ff300efa2d162 > Author: Liping Zhang> Date: Sat Mar 25 16:35:29 2017 +0800 > > netfilter: nf_ct_ext: fix possible panic after nf_ct_extend_unregister > > will result in a regression, at least in 4.4.y[1]. Stable maintainers who > picked > up below patch might want to consider picking up above fix. Thanks, I've now picked this one up too. greg k-h
Re: [PATCH 4.4 018/101] netfilter: synproxy: fix conntrackd interaction
On Thu, Aug 17, 2017 at 07:57:07AM +0200, Stefan Bader wrote: > On 03.07.2017 15:34, Greg Kroah-Hartman wrote: > > 4.4-stable review patch. If anyone has any objections, please let me know. > > We found that pulling below patch into stable trees without also pulling > > commit 9c3f3794926a997b1cab6c42480ff300efa2d162 > Author: Liping Zhang > Date: Sat Mar 25 16:35:29 2017 +0800 > > netfilter: nf_ct_ext: fix possible panic after nf_ct_extend_unregister > > will result in a regression, at least in 4.4.y[1]. Stable maintainers who > picked > up below patch might want to consider picking up above fix. Thanks, I've now picked this one up too. greg k-h
Re: [PATCH 4.4 018/101] netfilter: synproxy: fix conntrackd interaction
On 03.07.2017 15:34, Greg Kroah-Hartman wrote: > 4.4-stable review patch. If anyone has any objections, please let me know. We found that pulling below patch into stable trees without also pulling commit 9c3f3794926a997b1cab6c42480ff300efa2d162 Author: Liping ZhangDate: Sat Mar 25 16:35:29 2017 +0800 netfilter: nf_ct_ext: fix possible panic after nf_ct_extend_unregister will result in a regression, at least in 4.4.y[1]. Stable maintainers who picked up below patch might want to consider picking up above fix. -Stefan [1] http://bugs.launchpad.net/bugs/1709032 > > -- > > From: Eric Leblond > > commit 87e94dbc210a720a34be5c1174faee5c84be963e upstream. > > This patch fixes the creation of connection tracking entry from > netlink when synproxy is used. It was missing the addition of > the synproxy extension. > > This was causing kernel crashes when a conntrack entry created by > conntrackd was used after the switch of traffic from active node > to the passive node. > > Signed-off-by: Eric Leblond > Signed-off-by: Pablo Neira Ayuso > Signed-off-by: Greg Kroah-Hartman > > --- > net/netfilter/nf_conntrack_netlink.c |4 > 1 file changed, 4 insertions(+) > > --- a/net/netfilter/nf_conntrack_netlink.c > +++ b/net/netfilter/nf_conntrack_netlink.c > @@ -45,6 +45,8 @@ > #include > #include > #include > +#include > +#include > #ifdef CONFIG_NF_NAT_NEEDED > #include > #include > @@ -1798,6 +1800,8 @@ ctnetlink_create_conntrack(struct net *n > nf_ct_tstamp_ext_add(ct, GFP_ATOMIC); > nf_ct_ecache_ext_add(ct, 0, 0, GFP_ATOMIC); > nf_ct_labels_ext_add(ct); > + nfct_seqadj_ext_add(ct); > + nfct_synproxy_ext_add(ct); > > /* we must add conntrack extensions before confirmation. */ > ct->status |= IPS_CONFIRMED; > > signature.asc Description: OpenPGP digital signature
Re: [PATCH 4.4 018/101] netfilter: synproxy: fix conntrackd interaction
On 03.07.2017 15:34, Greg Kroah-Hartman wrote: > 4.4-stable review patch. If anyone has any objections, please let me know. We found that pulling below patch into stable trees without also pulling commit 9c3f3794926a997b1cab6c42480ff300efa2d162 Author: Liping Zhang Date: Sat Mar 25 16:35:29 2017 +0800 netfilter: nf_ct_ext: fix possible panic after nf_ct_extend_unregister will result in a regression, at least in 4.4.y[1]. Stable maintainers who picked up below patch might want to consider picking up above fix. -Stefan [1] http://bugs.launchpad.net/bugs/1709032 > > -- > > From: Eric Leblond > > commit 87e94dbc210a720a34be5c1174faee5c84be963e upstream. > > This patch fixes the creation of connection tracking entry from > netlink when synproxy is used. It was missing the addition of > the synproxy extension. > > This was causing kernel crashes when a conntrack entry created by > conntrackd was used after the switch of traffic from active node > to the passive node. > > Signed-off-by: Eric Leblond > Signed-off-by: Pablo Neira Ayuso > Signed-off-by: Greg Kroah-Hartman > > --- > net/netfilter/nf_conntrack_netlink.c |4 > 1 file changed, 4 insertions(+) > > --- a/net/netfilter/nf_conntrack_netlink.c > +++ b/net/netfilter/nf_conntrack_netlink.c > @@ -45,6 +45,8 @@ > #include > #include > #include > +#include > +#include > #ifdef CONFIG_NF_NAT_NEEDED > #include > #include > @@ -1798,6 +1800,8 @@ ctnetlink_create_conntrack(struct net *n > nf_ct_tstamp_ext_add(ct, GFP_ATOMIC); > nf_ct_ecache_ext_add(ct, 0, 0, GFP_ATOMIC); > nf_ct_labels_ext_add(ct); > + nfct_seqadj_ext_add(ct); > + nfct_synproxy_ext_add(ct); > > /* we must add conntrack extensions before confirmation. */ > ct->status |= IPS_CONFIRMED; > > signature.asc Description: OpenPGP digital signature