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: 2868 Comm: syz-executor.5 Not tainted 6.7.0-syzkaller-02320-gacc657692aed #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
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+0x699/0xe60 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/0x1f0 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:5532 [inline]
 __netif_receive_skb+0x1ca/0x530 net/core/dev.c:5646
 process_backlog+0x385/0x760 net/core/dev.c:5974
 __napi_poll+0xc7/0x470 net/core/dev.c:6536
 napi_poll net/core/dev.c:6605 [inline]
 net_rx_action+0x78b/0x1010 net/core/dev.c:6738
 __do_softirq+0x2b8/0x939 kernel/softirq.c:553
 invoke_softirq kernel/softirq.c:427 [inline]
 __irq_exit_rcu+0xf1/0x1b0 kernel/softirq.c:632
 irq_exit_rcu+0x9/0x20 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:649
RIP: 0033:0x7f8b9cc38a3b
Code: 00 09 c5 80 3d 96 cc c9 00 00 0f 85 6f ff ff ff 44 0f b6 6c 24 0f 44 8d 55 04 89 e8 41 89 c1 41 81 e1 ff 1f 00 00 43 8b 14 8e <39> d5 0f 84 5e ff ff ff 85 d2 0f 84 65 01 00 00 83 c0 01 41 39 c2
RSP: 002b:00007ffe0e19fc70 EFLAGS: 00000206
RAX: 00000000817d0c39 RBX: 00007f8b9cdac018 RCX: 0000000000000300
RDX: 0000000082046c39 RSI: 0000000080000000 RDI: 00000000000138e8
RBP: 00000000817d0c39 R08: 0000001b33e20000 R09: 0000000000000c39
R10: 00000000817d0c3d R11: 0000000000000246 R12: 0000000000000300
R13: 0000000000000001 R14: 00007f8b9cda0000 R15: ffffffff817d0002
 </TASK>