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: 4031 Comm: syz-executor Not tainted 5.15.173-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
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:672
 sk_backlog_rcv include/net/sock.h:1061 [inline]
 __sk_receive_skb+0x3f0/0x960 net/core/sock.c:528
 dccp_v4_rcv+0xec4/0x1458 net/dccp/ipv4.c:895
 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:302
 ip_local_deliver+0x11c/0x190 net/ipv4/ip_input.c:252
 dst_input include/net/dst.h:453 [inline]
 ip_rcv_finish+0x22c/0x264 net/ipv4/ip_input.c:447
 NF_HOOK+0x324/0x3d0 include/linux/netfilter.h:302
 ip_rcv+0x78/0x98 net/ipv4/ip_input.c:566
 __netif_receive_skb_one_core net/core/dev.c:5493 [inline]
 __netif_receive_skb+0x18c/0x400 net/core/dev.c:5607
 process_backlog+0x3ec/0x7e0 net/core/dev.c:6484
 __napi_poll+0xb4/0x624 net/core/dev.c:7043
 napi_poll net/core/dev.c:7110 [inline]
 net_rx_action+0x500/0xc10 net/core/dev.c:7200
 handle_softirqs+0x384/0xdbc kernel/softirq.c:558
 __do_softirq kernel/softirq.c:592 [inline]
 do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
 invoke_softirq kernel/softirq.c:439 [inline]
 __irq_exit_rcu+0x268/0x4d8 kernel/softirq.c:641
 irq_exit+0x14/0x88 kernel/softirq.c:665
 handle_domain_irq+0xf4/0x178 kernel/irq/irqdesc.c:711
 gic_handle_irq+0x78/0x1c8 drivers/irqchip/irq-gic-v3.c:765
 call_on_irq_stack+0x24/0x4c 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:454
 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:470
 el1h_64_irq+0x78/0x7c arch/arm64/kernel/entry.S:522
 __sanitizer_cov_trace_const_cmp8+0x8/0xc0 kernel/kcov.c:299
 __do_sys_wait4 kernel/exit.c:1779 [inline]
 __se_sys_wait4 kernel/exit.c:1775 [inline]
 __arm64_sys_wait4+0x120/0x2d0 kernel/exit.c:1775
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584