BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:414/tfrc_rx_hist_sample_rtt()
CPU: 0 PID: 8783 Comm: syz-executor.2 Not tainted 6.7.0-rc1-syzkaller-00434-g7490a42020bb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106
 tfrc_rx_hist_sample_rtt+0x3dd/0x4a0 net/dccp/ccids/lib/packet_history.c:414
 ccid3_hc_rx_packet_recv+0x443/0xf50 net/dccp/ccids/ccid3.c:760
 ccid_hc_rx_packet_recv net/dccp/ccid.h:182 [inline]
 dccp_deliver_input_to_ccids+0xe3/0x260 net/dccp/input.c:176
 dccp_rcv_established net/dccp/input.c:374 [inline]
 dccp_rcv_established+0x106/0x160 net/dccp/input.c:364
 dccp_v4_do_rcv+0x169/0x1b0 net/dccp/ipv4.c:675
 sk_backlog_rcv include/net/sock.h:1121 [inline]
 __sk_receive_skb+0x2af/0x840 net/core/sock.c:571
 dccp_v4_rcv+0x128a/0x1980 net/dccp/ipv4.c:898
 ip_protocol_deliver_rcu+0x9f/0x480 net/ipv4/ip_input.c:205
 ip_local_deliver_finish+0x2e4/0x510 net/ipv4/ip_input.c:233
 NF_HOOK include/linux/netfilter.h:314 [inline]
 NF_HOOK include/linux/netfilter.h:308 [inline]
 ip_local_deliver+0x18e/0x1f0 net/ipv4/ip_input.c:254
 dst_input include/net/dst.h:461 [inline]
 ip_rcv_finish+0x1c4/0x2f0 net/ipv4/ip_input.c:449
 NF_HOOK include/linux/netfilter.h:314 [inline]
 NF_HOOK include/linux/netfilter.h:308 [inline]
 ip_rcv+0xaf/0xd0 net/ipv4/ip_input.c:569
 __netif_receive_skb_one_core+0x115/0x180 net/core/dev.c:5529
 __netif_receive_skb+0x1f/0x1b0 net/core/dev.c:5643
 process_backlog+0x101/0x6b0 net/core/dev.c:5971
 __napi_poll.constprop.0+0xb4/0x540 net/core/dev.c:6533
 napi_poll net/core/dev.c:6602 [inline]
 net_rx_action+0x956/0xe90 net/core/dev.c:6735
 __do_softirq+0x21a/0x8de kernel/softirq.c:553
 invoke_softirq kernel/softirq.c:427 [inline]
 __irq_exit_rcu kernel/softirq.c:632 [inline]
 irq_exit_rcu+0xb7/0x120 kernel/softirq.c:644
 sysvec_apic_timer_interrupt+0x48/0xb0 arch/x86/kernel/apic/apic.c:1076
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0033:0x7f362ce38786
Code: 18 eb 20 90 4c 89 ff e8 b8 09 ff ff 41 08 c5 0f 85 ff 01 00 00 41 83 c4 01 44 3b 63 04 0f 83 c9 00 00 00 48 8b 34 24 44 89 e1 <48> 8b 53 28 4c 89 f8 48 03 14 ce 89 d5 49 89 d7 81 e5 00 f0 ff ff
RSP: 002b:00007ffedf849230 EFLAGS: 00000283
RAX: 000000008491ae00 RBX: 00007f362cf9c018 RCX: 00000000000026a9
RDX: 000000008491ae00 RSI: 00007f362c800008 RDI: 000000000000d7ee
RBP: 000000008491ae00 R08: 0000001b32820000 R09: 0000000000000e00
R10: 000000008491ae04 R11: 0000000000000246 R12: 00000000000026a9
R13: 0000000000000001 R14: 00007f362cf90000 R15: ffffffff8491a5a8
 </TASK>