On Sun, Nov 13, 2016 at 6:59 PM, 张东亚 <[email protected]> wrote: > With Linux kernel that does not have HAVE_UDP_OFFLOAD_ARG_UOFF macro > detected, > struct vxlan_sock *vs will be NULL, which will make kernel crash when > receiving > VXLAN packet that have RCO flag turn on or even invalid packet that is > destined > to VXLAN port which have the bit on in the RCO flag position. > > Signed-off-by: Zhang Dongya <[email protected]> > --- > datapath/linux/compat/vxlan.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/datapath/linux/compat/vxlan.c b/datapath/linux/compat/vxlan.c > index d5dbe8d..3abcab1 100644 > --- a/datapath/linux/compat/vxlan.c > +++ b/datapath/linux/compat/vxlan.c > @@ -320,7 +320,7 @@ static struct sk_buff **vxlan_gro_receive(struct > sk_buff **head, > > flags = vh->vx_flags; > > - if ((flags & VXLAN_HF_RCO) && (vs->flags & VXLAN_F_REMCSUM_RX)) { > + if ((flags & VXLAN_HF_RCO) && vs && (vs->flags & VXLAN_F_REMCSUM_RX)) { > vh = vxlan_gro_remcsum(skb, off_vx, vh, sizeof(struct vxlanhdr), > vh->vx_vni, &grc, > !!(vs->flags & > --
I could not apply this patch due to white space error. But it is trivial patch so I manually applied it to master and branch-2.6. _______________________________________________ dev mailing list [email protected] https://mail.openvswitch.org/mailman/listinfo/ovs-dev
