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: 15 Comm: ksoftirqd/0 Not tainted 6.1.129-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Call trace:
 dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
 dump_stack+0x1c/0x58 lib/dump_stack.c:113
 tfrc_rx_hist_sample_rtt+0x34c/0x444 net/dccp/ccids/lib/packet_history.c:414
 ccid3_hc_rx_packet_recv+0x554/0xc98 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+0x1ac/0x2d8 net/dccp/input.c:374
 dccp_v4_do_rcv+0xe8/0x1d4 net/dccp/ipv4.c:677
 sk_backlog_rcv include/net/sock.h:1119 [inline]
 __sk_receive_skb+0x3f8/0x900 net/core/sock.c:569
 dccp_v4_rcv+0xf44/0x157c net/dccp/ipv4.c:900
 ip_protocol_deliver_rcu+0x344/0x76c net/ipv4/ip_input.c:205
 ip_local_deliver_finish+0x258/0x49c net/ipv4/ip_input.c:233
 NF_HOOK+0x328/0x3d4 include/linux/netfilter.h:302
 ip_local_deliver+0x120/0x194 net/ipv4/ip_input.c:254
 dst_input include/net/dst.h:454 [inline]
 ip_rcv_finish+0x224/0x250 net/ipv4/ip_input.c:449
 NF_HOOK+0x328/0x3d4 include/linux/netfilter.h:302
 ip_rcv+0x7c/0x9c net/ipv4/ip_input.c:569
 __netif_receive_skb_one_core net/core/dev.c:5538 [inline]
 __netif_receive_skb+0x18c/0x400 net/core/dev.c:5652
 process_backlog+0x410/0x784 net/core/dev.c:5980
 __napi_poll+0xb4/0x3f0 net/core/dev.c:6547
 napi_poll net/core/dev.c:6614 [inline]
 net_rx_action+0x5cc/0xd3c net/core/dev.c:6728
 handle_softirqs+0x318/0xd58 kernel/softirq.c:578
 run_ksoftirqd+0x6c/0x29c kernel/softirq.c:945
 smpboot_thread_fn+0x4b0/0x96c kernel/smpboot.c:164
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864