BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:425/tfrc_rx_hist_sample_rtt() CPU: 1 PID: 17 Comm: ksoftirqd/1 Not tainted 4.16.0+ #1 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b9/0x29f lib/dump_stack.c:53 tfrc_rx_hist_sample_rtt.cold.3+0x54/0x5c net/dccp/ccids/lib/packet_history.c:422 ccid3_hc_rx_packet_recv+0x5c8/0xed0 net/dccp/ccids/ccid3.c:765 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:653 sk_backlog_rcv include/net/sock.h:909 [inline] __sk_receive_skb+0x3a2/0xd60 net/core/sock.c:513 dccp_v4_rcv+0x1151/0x2048 net/dccp/ipv4.c:874 ip_local_deliver_finish+0x2e3/0xd80 net/ipv4/ip_input.c:215 NF_HOOK include/linux/netfilter.h:288 [inline] ip_local_deliver+0x1e1/0x720 net/ipv4/ip_input.c:256 dst_input include/net/dst.h:450 [inline] ip_rcv_finish+0x81b/0x2200 net/ipv4/ip_input.c:396 NF_HOOK include/linux/netfilter.h:288 [inline] ip_rcv+0xb70/0x143d net/ipv4/ip_input.c:492 __netif_receive_skb_core+0x26f5/0x3630 net/core/dev.c:4592 __netif_receive_skb+0x2c/0x1e0 net/core/dev.c:4657 process_backlog+0x219/0x760 net/core/dev.c:5337 napi_poll net/core/dev.c:5735 [inline] net_rx_action+0x7b7/0x1930 net/core/dev.c:5801 __do_softirq+0x2e0/0xaf5 kernel/softirq.c:285 run_ksoftirqd+0x86/0x100 kernel/softirq.c:666 smpboot_thread_fn+0x417/0x870 kernel/smpboot.c:164 kthread+0x345/0x410 kernel/kthread.c:238 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:411 netlink: 8 bytes leftover after parsing attributes in process `syz-executor6'. dccp_close: ABORT with 4648 bytes unread netlink: 8 bytes leftover after parsing attributes in process `syz-executor6'. kernel msg: ebtables bug: please report to author: EBT_ENTRY_OR_ENTRIES shouldn't be set in distinguisher kernel msg: ebtables bug: please report to author: EBT_ENTRY_OR_ENTRIES shouldn't be set in distinguisher kernel msg: ebtables bug: please report to author: Wrong len argument netlink: 'syz-executor7': attribute type 3 has an invalid length. netlink: 'syz-executor7': attribute type 3 has an invalid length. sctp: [Deprecated]: syz-executor4 (pid 11444) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead sctp: [Deprecated]: syz-executor4 (pid 11461) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead netlink: 11 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 11 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor4'. xt_cluster: node mask cannot exceed total number of nodes xt_cluster: node mask cannot exceed total number of nodes netlink: 16 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 16 bytes leftover after parsing attributes in process `syz-executor4'. bond0: Invalid MTU 0 requested, hw min 68 bond0: Invalid MTU 0 requested, hw min 68 netlink: 3 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor7'. kernel msg: ebtables bug: please report to author: Wrong len argument kernel msg: ebtables bug: please report to author: Wrong len argument IPVS: ftp: loaded support on port[0] = 21 device gre0 entered promiscuous mode