The branch main has been updated by glebius: URL: https://cgit.FreeBSD.org/src/commit/?id=e8348e2b35f3f644c391b8e0585090c451896684
commit e8348e2b35f3f644c391b8e0585090c451896684 Author: Gleb Smirnoff <[email protected]> AuthorDate: 2026-01-09 23:31:11 +0000 Commit: Gleb Smirnoff <[email protected]> CommitDate: 2026-01-13 21:30:22 +0000 enc: create an interface at SI_SUB_PROTO_IF stage Creation of enc0 before SI_SUB_PROTO_MC mangles the MLD list as well as encounters IGMP mutex not initialized yet. Reported & tested by: mjg NB: the enc(4) is not a true interface indeed. In a perfect world the module shall not create a cloner, shall not enter if_attach(), shall not trigger ifnet_arrival_event, neither shall have any protocol attached to it. The enc0 exists for two purposes: 1) create a bpf(9) tap; 2) to allow injection packets in the middle of ipsec(4) processing temporarily rewriting m_pkthdr.rcvif to point at enc0. While the problem 1 is already solved with a recent divorce between bpf(9) and ifnet(9), the problem 2 is harder to solve without breaking packet filter rules that use "via enc0". --- sys/net/if_enc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sys/net/if_enc.c b/sys/net/if_enc.c index 3c3f19661063..159fb3ca34c9 100644 --- a/sys/net/if_enc.c +++ b/sys/net/if_enc.c @@ -387,7 +387,7 @@ vnet_enc_init(const void *unused __unused) ifc_create_ifp(encname, &ifd, &ifp); V_enc_sc = ifp->if_softc; } -VNET_SYSINIT(vnet_enc_init, SI_SUB_PSEUDO, SI_ORDER_ANY, +VNET_SYSINIT(vnet_enc_init, SI_SUB_PROTO_IF, SI_ORDER_ANY, vnet_enc_init, NULL); static void
