Pham Thanh Tuyen <phamtyn@xxxxxxxxx> wrote: [ moving to netfilter-devel ] > > > My name is Pham Thanh Tuyen. I found a bug related to the ctnetlink > > > and conntrack subsystems. Details are as follows: > > > > > > 1. Summary: Injected conntrack lost helper > > > > > > 2. Description: When a conntrack whose helper is injected from > > > userspace, the ctnetlink creates helper for it but NAT then loses > > > the helper in case the user defined helper explicitly with CT > > > target. Hmm. If you insert a conntrack entry from userspace, it will already be confirmed, so nat rules will have no effect, and template CT rules are irrelevant wrt. to the helper, as extension can only be created if the conntrack is not in the hash yet. Can you describe the steps to reproduce this bug?
