ccid3_first_li: No RTT estimate available, using fallback RTT
ccid3_first_li: X_recv==0
BUG: stored value of X_recv is zero at net/dccp/ccids/ccid3.c:691/ccid3_first_li()
CPU: 1 PID: 22125 Comm: syz-executor.4 Not tainted 6.4.0-rc7-syzkaller-ge40939bbfc68 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
Call trace:
 dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:233
 show_stack+0x2c/0x44 arch/arm64/kernel/stacktrace.c:240
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd0/0x124 lib/dump_stack.c:106
 dump_stack+0x1c/0x28 lib/dump_stack.c:113
 ccid3_first_li+0x354/0x3c0 net/dccp/ccids/ccid3.c:691
 tfrc_lh_interval_add+0x4a4/0x694 net/dccp/ccids/lib/loss_interval.c:157
 tfrc_rx_handle_loss+0x564/0x14e0 net/dccp/ccids/lib/packet_history.c:328
 ccid3_hc_rx_packet_recv+0x2bc/0xc98 net/dccp/ccids/ccid3.c:744
 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+0xe8/0x1d4 net/dccp/ipv4.c:676
 sk_backlog_rcv include/net/sock.h:1115 [inline]
 __sk_receive_skb+0x3e4/0x8ec net/core/sock.c:565
 dccp_v4_rcv+0xcc8/0x1254 net/dccp/ipv4.c:899
 ip_protocol_deliver_rcu+0x504/0xc8c net/ipv4/ip_input.c:205
 ip_local_deliver_finish+0x23c/0x46c net/ipv4/ip_input.c:233
 NF_HOOK+0x328/0x3d4 include/linux/netfilter.h:303
 ip_local_deliver+0x11c/0x190 net/ipv4/ip_input.c:254
 dst_input include/net/dst.h:468 [inline]
 ip_rcv_finish+0x224/0x250 net/ipv4/ip_input.c:449
 NF_HOOK+0x328/0x3d4 include/linux/netfilter.h:303
 ip_rcv+0x78/0x98 net/ipv4/ip_input.c:569
 __netif_receive_skb_one_core net/core/dev.c:5493 [inline]
 __netif_receive_skb+0x18c/0x400 net/core/dev.c:5607
 process_backlog+0x3c0/0x70c net/core/dev.c:5935
 __napi_poll+0xb4/0x648 net/core/dev.c:6498
 napi_poll net/core/dev.c:6565 [inline]
 net_rx_action+0x5e4/0xdc4 net/core/dev.c:6698
 __do_softirq+0x2d0/0xd54 kernel/softirq.c:571
 ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80
 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:882
 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:85
 invoke_softirq kernel/softirq.c:452 [inline]
 __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:650
 irq_exit_rcu+0x14/0x84 kernel/softirq.c:662
 __el1_irq arch/arm64/kernel/entry-common.c:474 [inline]
 el1_interrupt+0x38/0x68 arch/arm64/kernel/entry-common.c:488
 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:493
 el1h_64_irq+0x64/0x68 arch/arm64/kernel/entry.S:587
 hrtimer_active kernel/time/hrtimer.c:1611 [inline]
 hrtimer_try_to_cancel+0x1c0/0x3f0 kernel/time/hrtimer.c:1328
 hrtimer_cancel+0x20/0x6c kernel/time/hrtimer.c:1443
 futex_wait+0x358/0x440 kernel/futex/waitwake.c:688
 do_futex+0x294/0x458 kernel/futex/syscalls.c:106
 __do_sys_futex kernel/futex/syscalls.c:183 [inline]
 __se_sys_futex kernel/futex/syscalls.c:164 [inline]
 __arm64_sys_futex+0x1e0/0x464 kernel/futex/syscalls.c:164
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x244 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x64/0x198 arch/arm64/kernel/syscall.c:191
 el0_svc+0x4c/0x160 arch/arm64/kernel/entry-common.c:647
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:665
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591