device lo entered promiscuous mode
INFO: rcu_preempt self-detected stall on CPU
	0-...: (12500 ticks this GP) idle=0cf/140000000000001/0 softirq=24480/24480 fqs=0 
	 (t=12500 jiffies g=5925 c=5924 q=4305)
rcu_preempt kthread starved for 12500 jiffies! g5925 c5924 f0x0 s3 ->state=0x1
Task dump for CPU 0:
syz-executor4   R  running task    26656 12472   3934 0x0000000c
 0000000000000f5e 8a5693ae8b7517c4 ffff8801db207be8 ffffffff8140c4fc
 ffff8801db21f4c0 0000000000000000 dffffc0000000000 ffffffff844bef00
 ffffffff844bef84 ffff8801db207c08 ffffffff8140c787 ffffffff844bef48
Call Trace:
 <IRQ>  [<ffffffff8140c4fc>] sched_show_task+0x2cb/0x2d6 kernel/sched/core.c:5089
 [<ffffffff8140c787>] dump_cpu_task+0x79/0x7e kernel/sched/core.c:9046
 [<ffffffff81416c4d>] rcu_dump_cpu_stacks+0x150/0x164 kernel/rcu/tree.c:1233
 [<ffffffff8141784a>] print_cpu_stall kernel/rcu/tree.c:1340 [inline]
 [<ffffffff8141784a>] check_cpu_stall kernel/rcu/tree.c:1404 [inline]
 [<ffffffff8141784a>] __rcu_pending kernel/rcu/tree.c:3892 [inline]
 [<ffffffff8141784a>] rcu_pending kernel/rcu/tree.c:3956 [inline]
 [<ffffffff8141784a>] rcu_check_callbacks.cold.75+0x5c3/0xd20 kernel/rcu/tree.c:2796
 [<ffffffff8129a5aa>] update_process_times+0x3a/0x70 kernel/time/timer.c:1427
 [<ffffffff812c4f65>] tick_sched_handle.isra.15+0x55/0xf0 kernel/time/tick-sched.c:151
 [<ffffffff812c55f2>] tick_sched_timer+0x72/0x120 kernel/time/tick-sched.c:1097
 [<ffffffff8129db1d>] __run_hrtimer kernel/time/hrtimer.c:1261 [inline]
 [<ffffffff8129db1d>] __hrtimer_run_queues+0x3ad/0x1000 kernel/time/hrtimer.c:1325
 [<ffffffff8129f291>] hrtimer_interrupt+0x1b1/0x430 kernel/time/hrtimer.c:1359
 [<ffffffff810ad554>] local_apic_timer_interrupt+0x74/0xa0 arch/x86/kernel/apic/apic.c:901
 [<ffffffff838c298c>] smp_apic_timer_interrupt+0x7c/0xa0 arch/x86/kernel/apic/apic.c:925
 [<ffffffff838c18d0>] apic_timer_interrupt+0xa0/0xb0 arch/x86/entry/entry_64.S:741
 <EOI>  [<ffffffff834f8d62>] ? _decode_session6+0x572/0x14d0 net/ipv6/xfrm6_policy.c:149
 [<ffffffff834f8d62>] _decode_session6+0x572/0x14d0 net/ipv6/xfrm6_policy.c:149
 [<ffffffff833c7899>] __xfrm_decode_session+0x69/0x100 net/xfrm/xfrm_policy.c:2403
 [<ffffffff833d2207>] __xfrm_policy_check+0x137/0x1b30 net/xfrm/xfrm_policy.c:2440
 [<ffffffff8349713b>] __xfrm_policy_check2 include/net/xfrm.h:1067 [inline]
 [<ffffffff8349713b>] xfrm_policy_check include/net/xfrm.h:1076 [inline]
 [<ffffffff8349713b>] xfrm6_policy_check include/net/xfrm.h:1086 [inline]
 [<ffffffff8349713b>] udpv6_queue_rcv_skb+0x6bb/0x1500 net/ipv6/udp.c:634
 [<ffffffff82f2a10b>] sk_backlog_rcv include/net/sock.h:871 [inline]
 [<ffffffff82f2a10b>] __release_sock net/core/sock.c:2023 [inline]
 [<ffffffff82f2a10b>] release_sock+0x17b/0x500 net/core/sock.c:2473
 [<ffffffff832cebd0>] udp_sendmsg+0x12b0/0x1bb0 net/ipv4/udp.c:1105
 [<ffffffff83494a39>] udpv6_sendmsg+0x1d59/0x24c0 net/ipv6/udp.c:1178
 [<ffffffff832feb43>] inet_sendmsg+0x203/0x4d0 net/ipv4/af_inet.c:755
 [<ffffffff82f1cc2c>] sock_sendmsg_nosec net/socket.c:625 [inline]
 [<ffffffff82f1cc2c>] sock_sendmsg+0xcc/0x110 net/socket.c:635
 [<ffffffff82f1ce93>] sock_write_iter+0x223/0x3b0 net/socket.c:834
 [<ffffffff8151c5fd>] new_sync_write fs/read_write.c:478 [inline]
 [<ffffffff8151c5fd>] __vfs_write+0x30d/0x3f0 fs/read_write.c:491
 [<ffffffff8151e1e1>] vfs_write+0x191/0x4e0 fs/read_write.c:538
 [<ffffffff815207e9>] SYSC_write fs/read_write.c:585 [inline]
 [<ffffffff815207e9>] SyS_write+0xd9/0x1c0 fs/read_write.c:577
 [<ffffffff838bfd65>] entry_SYSCALL_64_fastpath+0x22/0x9e