BUG: please report to dccp@vger.kernel.org => prev = 5, last = 5 at net/dccp/ccids/lib/packet_history.c:425/tfrc_rx_hist_sample_rtt() CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.19.0-rc7-next-20181011+ #92 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x244/0x3ab lib/dump_stack.c:113 tfrc_rx_hist_sample_rtt.cold.3+0x54/0x5c net/dccp/ccids/lib/packet_history.c:422 ccid3_hc_rx_packet_recv+0x5c4/0xeb0 net/dccp/ccids/ccid3.c:767 ccid_hc_rx_packet_recv net/dccp/ccid.h:185 [inline] dccp_deliver_input_to_ccids+0xf0/0x280 net/dccp/input.c:180 dccp_rcv_established+0x87/0xb0 net/dccp/input.c:378 dccp_v4_do_rcv+0x153/0x180 net/dccp/ipv4.c:656 sk_backlog_rcv include/net/sock.h:932 [inline] __sk_receive_skb+0x3e0/0xeb0 net/core/sock.c:473 binder: send failed reply for transaction 41 to 27388:27389 dccp_v4_rcv+0x10f9/0x1f58 net/dccp/ipv4.c:877 ip_local_deliver_finish+0x2e9/0xda0 net/ipv4/ip_input.c:215 NF_HOOK include/linux/netfilter.h:289 [inline] ip_local_deliver+0x1e4/0x740 net/ipv4/ip_input.c:256 dst_input include/net/dst.h:450 [inline] ip_rcv_finish+0x1f9/0x300 net/ipv4/ip_input.c:415 NF_HOOK include/linux/netfilter.h:289 [inline] ip_rcv+0xe8/0x600 net/ipv4/ip_input.c:524 __netif_receive_skb_one_core+0x14d/0x200 net/core/dev.c:4908 __netif_receive_skb+0x27/0x1e0 net/core/dev.c:5018 process_backlog+0x24e/0x7a0 net/core/dev.c:5822 napi_poll net/core/dev.c:6242 [inline] net_rx_action+0x7fa/0x19b0 net/core/dev.c:6308 __do_softirq+0x30d/0xb26 kernel/softirq.c:292 run_ksoftirqd+0x5e/0x100 kernel/softirq.c:654 smpboot_thread_fn+0x68b/0xa00 kernel/smpboot.c:164 kthread+0x35a/0x440 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 dccp_close: ABORT with 52224 bytes unread binder: send failed reply for transaction 43 to 27399:27404 dccp_close: ABORT with 3584 bytes unread binder: send failed reply for transaction 45 to 27417:27418 binder: send failed reply for transaction 47 to 27424:27425 dccp_close: ABORT with 105984 bytes unread dccp_close: ABORT with 105984 bytes unread dccp_close: ABORT with 105984 bytes unread nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based firewall rule not found. Use the iptables CT target to attach helpers instead. Dead loop on virtual device ip6_vti0, fix it urgently! Dead loop on virtual device ip6_vti0, fix it urgently! Dead loop on virtual device ip6_vti0, fix it urgently! Dead loop on virtual device ip6_vti0, fix it urgently! Dead loop on virtual device ip6_vti0, fix it urgently! Dead loop on virtual device ip6_vti0, fix it urgently! IPVS: sync thread started: state = BACKUP, mcast_ifn = team_slave_0, syncid = 0, id = 0 Dead loop on virtual device ip6_vti0, fix it urgently! IPVS: sync thread started: state = BACKUP, mcast_ifn = team_slave_0, syncid = 0, id = 0 IPVS: ftp: loaded support on port[0] = 21 : renamed from bpq0 IPVS: ftp: loaded support on port[0] = 21