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: 4245 Comm: syz-fuzzer Not tainted 5.15.106-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
Call trace:
 dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
 __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+0x31c/0x3f0 net/dccp/ccids/lib/packet_history.c:414
 ccid3_hc_rx_packet_recv+0x4e4/0xaf8 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+0xa8/0x188 net/dccp/ipv4.c:669
 sk_backlog_rcv include/net/sock.h:1057 [inline]
 __sk_receive_skb+0x3f0/0x960 net/core/sock.c:528
 dccp_v4_rcv+0xec4/0x1458 net/dccp/ipv4.c:892
 ip_protocol_deliver_rcu+0x36c/0x770 net/ipv4/ip_input.c:204
 ip_local_deliver_finish+0x1b8/0x30c net/ipv4/ip_input.c:231
 NF_HOOK+0x324/0x3d0 include/linux/netfilter.h:307
 ip_local_deliver+0x11c/0x190 net/ipv4/ip_input.c:252
 dst_input include/net/dst.h:459 [inline]
 ip_rcv_finish+0x22c/0x264 net/ipv4/ip_input.c:447
 NF_HOOK+0x324/0x3d0 include/linux/netfilter.h:307
 ip_rcv+0x78/0x98 net/ipv4/ip_input.c:566
 __netif_receive_skb_one_core net/core/dev.c:5458 [inline]
 __netif_receive_skb+0x18c/0x400 net/core/dev.c:5572
 process_backlog+0x3ec/0x7e0 net/core/dev.c:6449
 __napi_poll+0xb4/0x624 net/core/dev.c:7008
 napi_poll net/core/dev.c:7075 [inline]
 net_rx_action+0x500/0xc10 net/core/dev.c:7162
 __do_softirq+0x344/0xe20 kernel/softirq.c:558
 do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
 invoke_softirq kernel/softirq.c:439 [inline]
 __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636
 irq_exit+0x14/0x88 kernel/softirq.c:660
 handle_domain_irq+0xf4/0x178 kernel/irq/irqdesc.c:710
 gic_handle_irq+0x78/0x1c8 drivers/irqchip/irq-gic-v3.c:757
 call_on_irq_stack+0x2c/0x54 arch/arm64/kernel/entry.S:899
 do_interrupt_handler+0x74/0x94 arch/arm64/kernel/entry-common.c:267
 el1_interrupt+0x30/0x58 arch/arm64/kernel/entry-common.c:442
 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:458
 el1h_64_irq+0x78/0x7c arch/arm64/kernel/entry.S:580
 arch_local_irq_enable arch/arm64/include/asm/irqflags.h:35 [inline]
 raw_spin_rq_unlock_irq kernel/sched/sched.h:1337 [inline]
 finish_lock_switch+0xc4/0x1e8 kernel/sched/core.c:4780
 finish_task_switch+0x120/0x6b4 kernel/sched/core.c:4898
 context_switch kernel/sched/core.c:5029 [inline]
 __schedule+0xf14/0x1e38 kernel/sched/core.c:6372
 schedule+0x11c/0x1c8 kernel/sched/core.c:6455
 do_notify_resume+0x1b8/0x32b8 arch/arm64/kernel/signal.c:929
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline]
 el0_interrupt+0x118/0x2d4 arch/arm64/kernel/entry-common.c:673
 __el0_irq_handler_common+0x18/0x24 arch/arm64/kernel/entry-common.c:678
 el0t_64_irq_handler+0x10/0x1c arch/arm64/kernel/entry-common.c:683
 el0t_64_irq+0x1a0/0x1a4 arch/arm64/kernel/entry.S:585