BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:417/tfrc_rx_hist_sample_rtt()
CPU: 0 PID: 16 Comm: ksoftirqd/0 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106
 tfrc_rx_hist_sample_rtt+0x393/0x4b0 net/dccp/ccids/lib/packet_history.c:414
 ccid3_hc_rx_packet_recv+0x6ae/0xf50 net/dccp/ccids/ccid3.c:760
 ccid_hc_rx_packet_recv net/dccp/ccid.h:182 [inline]
 dccp_deliver_input_to_ccids net/dccp/input.c:176 [inline]
 dccp_rcv_established+0x1b7/0x310 net/dccp/input.c:374
 dccp_v4_do_rcv+0xff/0x1e0 net/dccp/ipv4.c:675
 sk_backlog_rcv include/net/sock.h:1121 [inline]
 __sk_receive_skb+0x41e/0x9d0 net/core/sock.c:571
 ip_protocol_deliver_rcu+0x208/0x3f0 net/ipv4/ip_input.c:205
 ip_local_deliver_finish+0x2b6/0x500 net/ipv4/ip_input.c:233
 NF_HOOK+0x3a1/0x450 include/linux/netfilter.h:314
 NF_HOOK+0x3a1/0x450 include/linux/netfilter.h:314
 __netif_receive_skb_one_core net/core/dev.c:5527 [inline]
 __netif_receive_skb+0x1ca/0x530 net/core/dev.c:5641
 process_backlog+0x385/0x760 net/core/dev.c:5969
 __napi_poll+0xc7/0x470 net/core/dev.c:6531
 napi_poll net/core/dev.c:6600 [inline]
 net_rx_action+0x78b/0x1010 net/core/dev.c:6733
 __do_softirq+0x2bf/0x93a kernel/softirq.c:553
 run_ksoftirqd+0xc5/0x120 kernel/softirq.c:921
 smpboot_thread_fn+0x530/0x9f0 kernel/smpboot.c:164
 kthread+0x2d3/0x370 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
 </TASK>