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: 9448 Comm: syz-executor.0 Not tainted 6.1.62-syzkaller #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+0x1e3/0x2cb lib/dump_stack.c:106
 tfrc_rx_hist_sample_rtt+0x38f/0x4a0 net/dccp/ccids/lib/packet_history.c:414
 ccid3_hc_rx_packet_recv+0x6aa/0xf40 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+0x1b3/0x310 net/dccp/input.c:374
 dccp_v4_do_rcv+0xfb/0x1e0 net/dccp/ipv4.c:674
 sk_backlog_rcv include/net/sock.h:1117 [inline]
 __sk_receive_skb+0x41a/0x9d0 net/core/sock.c:567
 ip_protocol_deliver_rcu+0x381/0x740 net/ipv4/ip_input.c:205
 ip_local_deliver_finish+0x2b4/0x4f0 net/ipv4/ip_input.c:233
 NF_HOOK+0x39d/0x450 include/linux/netfilter.h:302
 NF_HOOK+0x39d/0x450 include/linux/netfilter.h:302
 __netif_receive_skb_one_core net/core/dev.c:5525 [inline]
 __netif_receive_skb+0x1c6/0x530 net/core/dev.c:5639
 process_backlog+0x381/0x760 net/core/dev.c:5967
 __napi_poll+0xc7/0x470 net/core/dev.c:6534
 napi_poll net/core/dev.c:6601 [inline]
 net_rx_action+0x70f/0xeb0 net/core/dev.c:6712
 __do_softirq+0x2e9/0xa4c kernel/softirq.c:571
 invoke_softirq kernel/softirq.c:445 [inline]
 __irq_exit_rcu+0x155/0x240 kernel/softirq.c:650
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:662
 sysvec_apic_timer_interrupt+0x43/0xb0 arch/x86/kernel/apic/apic.c:1106
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0033:0x7fc21bc38904
Code: 4d 00 49 8b 55 f8 49 8d 45 f8 48 39 d1 0f 83 e5 00 00 00 0f 1f 00 48 89 50 08 48 89 c6 48 8b 50 f8 48 83 e8 08 48 39 d1 72 ec <49> 83 c5 08 48 89 0e 4c 39 eb 75 c8 48 89 ea eb 0d 0f 1f 00 48 8b
RSP: 002b:00007ffd59eded90 EFLAGS: 00000246
RAX: 00007fc21b602e70 RBX: 00007fc21b608168 RCX: ffffffff8435ed5c
RDX: ffffffff8435ed5c RSI: 00007fc21b602e78 RDI: 00007fc21b600008
RBP: 00007fc21b600008 R08: 00007fc21b600078 R09: 00000000000000fe
R10: 0000000081329325 R11: 0000000000000246 R12: 0000001b3312b470
R13: 00007fc21b602ea0 R14: 00007fc21bd90000 R15: 00007fc21bd9c018
 </TASK>
ccid3_first_li: No RTT estimate available, using fallback RTT