[Bug 1766] nfqueue randomly drops packets with same tuple
bugzilla-daemon at netfilter.org
bugzilla-daemon at netfilter.org
Wed Sep 18 10:41:42 CEST 2024
https://bugzilla.netfilter.org/show_bug.cgi?id=1766
--- Comment #9 from Antonio Ojea <antonio.ojea.garcia at gmail.com> ---
Still failing, captured two traces to show the differences
GOOD ONE
0xffff8dd044679180 0 <empty>:3760 4026532316 0 veth539c3d56:6
0x0800 1500 59 10.244.0.2:32942->10.244.0.3:53(udp) nf_queue
nf_hook_slow
0xffff8dd044679680 0 <empty>:1635 4026532316 0 veth60925af6:7
0x0800 1500 59 10.244.0.2:32942->10.244.0.4:53(udp) nf_conntrack_update
nfqnl_reinject
0xffff8dd044679680 0 <empty>:1635 4026532316 0 veth60925af6:7
0x0800 1500 59 10.244.0.2:32942->10.244.0.4:53(udp) nf_nat_ipv4_out
nfqnl_reinject
0xffff8dd044679680 0 <empty>:1635 4026532316 0 veth60925af6:7
0x0800 1500 59 10.244.0.2:32942->10.244.0.4:53(udp) nf_nat_inet_fn
nf_nat_ipv4_out
0xffff8dd044679680 0 <empty>:1635 4026532316 0 veth60925af6:7
0x0800 1500 59 10.244.0.2:32942->10.244.0.4:53(udp) nft_nat_do_chain
nf_nat_inet_fn
0xffff8dd044679680 0 <empty>:1635 4026532316 0 veth60925af6:7
0x0800 1500 59 10.244.0.2:32942->10.244.0.4:53(udp) selinux_ip_postroute
nfqnl_reinject
0xffff8dd044679680 0 <empty>:1635 4026532316 0 veth60925af6:7
0x0800 1500 59 10.244.0.2:32942->10.244.0.4:53(udp)
selinux_ip_postroute_compat selinux_ip_postroute
0xffff8dd044679680 0 <empty>:1635 4026532316 0 veth60925af6:7
0x0800 1500 59 10.244.0.2:32942->10.244.0.4:53(udp) nf_confirm
nfqnl_reinject
0xffff8dd044679680 0 <empty>:1635 4026532316 0 veth60925af6:7
0x0800 1500 59 10.244.0.2:32942->10.244.0.4:53(udp) __nf_conntrack_confirm
nf_confirm
0xffff8dd044679680 0 <empty>:1635 4026532316 0 veth60925af6:7
0x0800 1500 59 10.244.0.2:32942->10.244.0.4:53(udp) ip_finish_output
nfqnl_reinject
0xffff8dd044679680 0 <empty>:1635 4026532316 0 veth60925af6:7
0x0800 1500 59 10.244.0.2:32942->10.244.0.4:53(udp) __ip_finish_output
nfqnl_reinject
0xffff8dd044679680 0 <empty>:1635 4026532316 0 veth60925af6:7
0x0800 1500 59 10.244.0.2:32942->10.244.0.4:53(udp) ip_finish_output2
nfqnl_reinject
0xffff8dd044679680 0 <empty>:1635 4026532316 0 veth60925af6:7
0x0800 1500 73 10.244.0.2:32942->10.244.0.4:53(udp) __dev_queue_xmit
ip_finish_output2
0xffff8dd044679680 0 <empty>:1635 4026532316 0 veth60925af6:7
0x0800 1500 73 10.244.0.2:32942->10.244.0.4:53(udp) netdev_core_pick_tx
__dev_queue_xmit
0xffff8dd044679680 0 <empty>:1635 4026532316 0 veth60925af6:7
0x0800 1500 73 10.244.0.2:32942->10.244.0.4:53(udp) validate_xmit_skb
__dev_queue_xmit
0xffff8dd044679680 0 <empty>:1635 4026532316 0 veth60925af6:7
0x0800 1500 73 10.244.0.2:32942->10.244.0.4:53(udp) netif_skb_features
validate_xmit_skb
0xffff8dd044679680 0 <empty>:1635 4026532316 0 veth60925af6:7
0x0800 1500 73 10.244.0.2:32942->10.244.0.4:53(udp) passthru_features_check
netif_skb_features
0xffff8dd044679680 0 <empty>:1635 4026532316 0 veth60925af6:7
0x0800 1500 73 10.244.0.2:32942->10.244.0.4:53(udp) skb_network_protocol
netif_skb_features
0xffff8dd044679680 0 <empty>:1635 4026532316 0 veth60925af6:7
0x0800 1500 73 10.244.0.2:32942->10.244.0.4:53(udp) skb_csum_hwoffload_help
validate_xmit_skb
0xffff8dd044679680 0 <empty>:1635 4026532316 0 veth60925af6:7
0x0800 1500 73 10.244.0.2:32942->10.244.0.4:53(udp) validate_xmit_xfrm
__dev_queue_xmit
0xffff8dd044679680 0 <empty>:1635 4026532316 0 veth60925af6:7
0x0800 1500 73 10.244.0.2:32942->10.244.0.4:53(udp) dev_hard_start_xmit
__dev_queue_xmit
0xffff8dd044679680 0 <empty>:1635 4026532316 0 veth60925af6:7
0x0800 1500 73 10.244.0.2:32942->10.244.0.4:53(udp) veth_xmit
dev_hard_start_xmit
0xffff8dd044679680 0 <empty>:1635 4026532316 0 veth60925af6:7
0x0800 1500 73 10.244.0.2:32942->10.244.0.4:53(udp) __dev_forward_skb
veth_xmit
0xffff8dd044679680 0 <empty>:1635 4026532316 0 veth60925af6:7
0x0800 1500 73 10.244.0.2:32942->10.244.0.4:53(udp) __dev_forward_skb2
veth_xmit
0xffff8dd044679680 0 <empty>:1635 4026532316 0 veth60925af6:7
0x0800 1500 73 10.244.0.2:32942->10.244.0.4:53(udp) skb_scrub_packet
__dev_forward_skb2
0xffff8dd044679680 0 <empty>:1635 4026532316 0 veth60925af6:7
0x0800 1500 73 10.244.0.2:32942->10.244.0.4:53(udp) eth_type_trans
__dev_forward_skb2
BAD ONE
0xffff8dd044679180 0 <empty>:1635 4026532316 0 veth539c3d56:6
0x0800 1500 59 10.244.0.2:32942->10.244.0.3:53(udp) nf_conntrack_update
nfqnl_reinject
0xffff8dd044679180 0 <empty>:1635 4026532316 0 veth539c3d56:6
0x0800 1500 59 10.244.0.2:32942->10.244.0.3:53(udp) nf_nat_manip_pkt
nf_conntrack_update
0xffff8dd044679180 0 <empty>:1635 4026532316 0 veth539c3d56:6
0x0800 1500 59 10.244.0.2:32942->10.244.0.3:53(udp) nf_nat_ipv4_manip_pkt
nf_nat_manip_pkt
0xffff8dd044679180 0 <empty>:1635 4026532316 0 veth539c3d56:6
0x0800 1500 59 10.244.0.2:32942->10.244.0.3:53(udp) skb_ensure_writable
nf_nat_ipv4_manip_pkt
0xffff8dd044679180 0 <empty>:1635 4026532316 0 veth539c3d56:6
0x0800 1500 59 10.244.0.2:32942->10.244.0.3:53(udp) l4proto_manip_pkt
nf_nat_ipv4_manip_pkt
0xffff8dd044679180 0 <empty>:1635 4026532316 0 veth539c3d56:6
0x0800 1500 59 10.244.0.2:32942->10.244.0.3:53(udp) skb_ensure_writable
l4proto_manip_pkt
0xffff8dd044679180 0 <empty>:1635 4026532316 0 veth539c3d56:6
0x0800 1500 59 10.244.0.2:32942->10.244.0.3:53(udp) nf_csum_update
l4proto_manip_pkt
0xffff8dd044679180 0 <empty>:1635 4026532316 0 veth539c3d56:6
0x0800 1500 59 10.244.0.2:32942->10.244.0.3:53(udp)
inet_proto_csum_replace4 l4proto_manip_pkt
0xffff8dd044679180 0 <empty>:1635 4026532316 0 veth539c3d56:6
0x0800 1500 59 10.244.0.2:32942->10.244.0.3:53(udp)
inet_proto_csum_replace4 l4proto_manip_pkt
0xffff8dd044679180 0 <empty>:1635 4026532316 0 veth539c3d56:6
0x0800 1500 59 10.244.0.2:32942->10.244.0.4:53(udp) nf_nat_ipv4_out
nfqnl_reinject
0xffff8dd044679180 0 <empty>:1635 4026532316 0 veth539c3d56:6
0x0800 1500 59 10.244.0.2:32942->10.244.0.4:53(udp) nf_nat_inet_fn
nf_nat_ipv4_out
0xffff8dd044679180 0 <empty>:1635 4026532316 0 veth539c3d56:6
0x0800 1500 59 10.244.0.2:32942->10.244.0.4:53(udp) selinux_ip_postroute
nfqnl_reinject
0xffff8dd044679180 0 <empty>:1635 4026532316 0 veth539c3d56:6
0x0800 1500 59 10.244.0.2:32942->10.244.0.4:53(udp)
selinux_ip_postroute_compat selinux_ip_postroute
0xffff8dd044679180 0 <empty>:1635 4026532316 0 veth539c3d56:6
0x0800 1500 59 10.244.0.2:32942->10.244.0.4:53(udp) nf_confirm
nfqnl_reinject
0xffff8dd044679180 0 <empty>:1635 4026532316 0 veth539c3d56:6
0x0800 1500 59 10.244.0.2:32942->10.244.0.4:53(udp) ip_finish_output
nfqnl_reinject
0xffff8dd044679180 0 <empty>:1635 4026532316 0 veth539c3d56:6
0x0800 1500 59 10.244.0.2:32942->10.244.0.4:53(udp) __ip_finish_output
nfqnl_reinject
0xffff8dd044679180 0 <empty>:1635 4026532316 0 veth539c3d56:6
0x0800 1500 59 10.244.0.2:32942->10.244.0.4:53(udp) ip_finish_output2
nfqnl_reinject
0xffff8dd044679180 0 <empty>:1635 4026532316 0 veth539c3d56:6
0x0800 1500 59 10.244.0.2:32942->10.244.0.4:53(udp) neigh_resolve_output
ip_finish_output2
0xffff8dd044679180 0 <empty>:1635 4026532316 0 veth539c3d56:6
0x0800 1500 59 10.244.0.2:32942->10.244.0.4:53(udp) __neigh_event_send
neigh_resolve_output
0xffff8dd044679180 0 <empty>:1635 4026532316 0 veth539c3d56:6
0x0800 1500 59 10.244.0.2:32942->10.244.0.4:53(udp) skb_clone
neigh_probe
0xffff8dd044679180 0 <empty>:1635 4026532316 0 veth539c3d56:6
0x0800 1500 59 10.244.0.2:32942->10.244.0.4:53(udp) arp_solicit
neigh_probe
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