IPVS: set_ctl: invalid protocol: 0 172.20.20.187:20002 sed
IPVS: set_ctl: invalid protocol: 0 172.20.20.187:20002 sed
IPv6: Can't replace route, no match found
IPv6: Can't replace route, no match found
INFO: rcu_preempt self-detected stall on CPU
	1-...: (12500 ticks this GP) idle=517/140000000000001/0 softirq=31172/31172 fqs=0 
	 (t=12500 jiffies g=6554 c=6553 q=1278)
rcu_preempt kthread starved for 12500 jiffies! g6554 c6553 f0x0 s3 ->state=0x1
Task dump for CPU 1:
syz-executor3   R  running task    26800 13168   3897 0x0000000c
 0000000000000f39 e68f1316b4a1fd28 ffff8801db307be8 ffffffff8140c87c
 ffff8801db31f4c0 0000000000000001 dffffc0000000000 ffffffff844bef00
 ffffffff844bef84 ffff8801db307c08 ffffffff8140cb07 ffffffff844bef48
Call Trace:
 <IRQ>  [<ffffffff8140c87c>] sched_show_task+0x2cb/0x2d6 kernel/sched/core.c:5089
 [<ffffffff8140cb07>] dump_cpu_task+0x79/0x7e kernel/sched/core.c:9046
 [<ffffffff81416fcd>] rcu_dump_cpu_stacks+0x150/0x164 kernel/rcu/tree.c:1233
 [<ffffffff81417bca>] print_cpu_stall kernel/rcu/tree.c:1340 [inline]
 [<ffffffff81417bca>] check_cpu_stall kernel/rcu/tree.c:1404 [inline]
 [<ffffffff81417bca>] __rcu_pending kernel/rcu/tree.c:3892 [inline]
 [<ffffffff81417bca>] rcu_pending kernel/rcu/tree.c:3956 [inline]
 [<ffffffff81417bca>] rcu_check_callbacks.cold.75+0x5c3/0xd20 kernel/rcu/tree.c:2796
 [<ffffffff8129a7da>] update_process_times+0x3a/0x70 kernel/time/timer.c:1427
 [<ffffffff812c5195>] tick_sched_handle.isra.15+0x55/0xf0 kernel/time/tick-sched.c:151
 [<ffffffff812c5822>] tick_sched_timer+0x72/0x120 kernel/time/tick-sched.c:1097
 [<ffffffff8129dd4d>] __run_hrtimer kernel/time/hrtimer.c:1261 [inline]
 [<ffffffff8129dd4d>] __hrtimer_run_queues+0x3ad/0x1000 kernel/time/hrtimer.c:1325
 [<ffffffff8129f4c1>] hrtimer_interrupt+0x1b1/0x430 kernel/time/hrtimer.c:1359
 [<ffffffff810ad614>] local_apic_timer_interrupt+0x74/0xa0 arch/x86/kernel/apic/apic.c:901
 [<ffffffff838c538c>] smp_apic_timer_interrupt+0x7c/0xa0 arch/x86/kernel/apic/apic.c:925
 [<ffffffff838c42d0>] apic_timer_interrupt+0xa0/0xb0 arch/x86/entry/entry_64.S:741
 <EOI>  [<ffffffff834fb7f2>] ? _decode_session6+0xb72/0x14d0 net/ipv6/xfrm6_policy.c:160
 [<ffffffff833c9b89>] __xfrm_decode_session+0x69/0x100 net/xfrm/xfrm_policy.c:2403
 [<ffffffff833d44f7>] __xfrm_policy_check+0x137/0x1b30 net/xfrm/xfrm_policy.c:2440
 [<ffffffff834995cb>] __xfrm_policy_check2 include/net/xfrm.h:1067 [inline]
 [<ffffffff834995cb>] xfrm_policy_check include/net/xfrm.h:1076 [inline]
 [<ffffffff834995cb>] xfrm6_policy_check include/net/xfrm.h:1086 [inline]
 [<ffffffff834995cb>] udpv6_queue_rcv_skb+0x6bb/0x1500 net/ipv6/udp.c:634
 [<ffffffff82f2b63b>] sk_backlog_rcv include/net/sock.h:871 [inline]
 [<ffffffff82f2b63b>] __release_sock net/core/sock.c:2023 [inline]
 [<ffffffff82f2b63b>] release_sock+0x17b/0x500 net/core/sock.c:2473
 [<ffffffff832d0cb2>] udp_sendmsg+0x1152/0x1c70 net/ipv4/udp.c:1107
 [<ffffffff83496ec9>] udpv6_sendmsg+0x1d59/0x24c0 net/ipv6/udp.c:1178
 [<ffffffff83300e43>] inet_sendmsg+0x203/0x4d0 net/ipv4/af_inet.c:755
 [<ffffffff82f1e15c>] sock_sendmsg_nosec net/socket.c:625 [inline]
 [<ffffffff82f1e15c>] sock_sendmsg+0xcc/0x110 net/socket.c:635
 [<ffffffff82f1ee3c>] SYSC_sendto+0x21c/0x370 net/socket.c:1665
 [<ffffffff82f214c0>] SyS_sendto+0x40/0x50 net/socket.c:1633
 [<ffffffff838c2765>] entry_SYSCALL_64_fastpath+0x22/0x9e