rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (1 GPs behind) idle=c3c4/1/0x4000000000000000 softirq=34473/34475 fqs=4971
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1054376          0            0
rcu: 	cputime:    31401      21088           86   ==> 52490(ms)
rcu: 	(t=10500 jiffies g=27045 q=2717 ncpus=2)
CPU: 1 UID: 0 PID: 9531 Comm: syz.3.960 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:unwind_next_frame+0x2b7/0x2390
Code: ff df 0f 84 03 02 00 00 4a 8d 14 ad b4 7d b1 8f 45 29 e8 4a 8d 1c 82 48 83 c3 fc 49 89 d5 48 39 da 0f 86 1c 10 00 00 49 29 d5 <e9> 80 00 00 00 31 db e9 eb 16 00 00 49 81 fc 00 20 0a 91 0f 92 c0
RSP: 0018:ffffc900001df818 EFLAGS: 00000246
RAX: ffffffff8fbac848 RBX: ffffffff8fbac84c RCX: ffffffff8fbac850
RDX: ffffffff8fbac84c RSI: ffffffff9038796c RDI: ffffffff8be33aa0
RBP: ffffffff8fbac850 R08: 0000000000000003 R09: ffffffff8172c195
R10: ffffc900001df938 R11: ffffffff81ac3da0 R12: ffffffff81b35494
R13: 0000000000000000 R14: ffffc900001df8e8 R15: ffffffff8fbac84c
FS:  00007f9e867c66c0(0000) GS:ffff8881a3c19000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2cca93 CR3: 00000000288da000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 arch_stack_walk+0x11c/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_track+0x3e/0x80
 __kasan_kmalloc+0x93/0xb0
 __kmalloc_cache_noprof+0x230/0x3d0
 ref_tracker_alloc+0x133/0x460
 dst_init+0xd9/0x450
 dst_alloc+0x12a/0x170
 ip_route_output_key_hash_rcu+0x14e1/0x23d0
 ip_route_output_key_hash+0x1b9/0x2e0
 ip_route_output_flow+0x2a/0x150
 udp_tunnel_dst_lookup+0x1ba/0x3e0
 geneve_xmit+0xa99/0x2b70
 dev_hard_start_xmit+0x2d7/0x830
 __dev_queue_xmit+0x1b8d/0x3b50
 ip6_finish_output2+0x11bc/0x16a0
 ndisc_send_skb+0xb54/0x1440
 addrconf_rs_timer+0x369/0x670
 call_timer_fn+0x17e/0x5f0
 __run_timer_base+0x61a/0x860
 run_timer_softirq+0xb7/0x180
 handle_softirqs+0x286/0x870
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:_raw_spin_unlock_irqrestore+0xa8/0x110
Code: 74 05 e8 bb 1b 4b f6 48 c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f6 44 24 21 02 75 4f f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> 03 c3 13 f6 65 8b 05 6c 31 24 07 85 c0 74 40 48 c7 04 24 0e 36
RSP: 0018:ffffc9000312faa0 EFLAGS: 00000206
RAX: df7ee61326f0c300 RBX: 0000000000000a02 RCX: df7ee61326f0c300
RDX: 0000000000000000 RSI: ffffffff8d9b78e7 RDI: 0000000000000001
RBP: ffffc9000312fb28 R08: ffffffff8fa38537 R09: 1ffffffff1f470a6
R10: dffffc0000000000 R11: fffffbfff1f470a7 R12: dffffc0000000000
R13: 1ffff11026cc75be R14: ffff8880350f4390 R15: 1ffff92000625f54
 try_to_wake_up+0x7b7/0x12b0
 wake_up_q+0x85/0xd0
 futex_wake+0x4a0/0x560
 do_futex+0x395/0x420
 __se_sys_futex+0x36f/0x400
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9e8598eba9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f9e867c60e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007f9e85bd5fa8 RCX: 00007f9e8598eba9
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f9e85bd5fac
RBP: 00007f9e85bd5fa0 R08: 7fffffffffffffff R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9e85bd6038 R14: 00007ffeb8809e20 R15: 00007ffeb8809f08
 </TASK>
sched: DL replenish lagged too much
clocksource: Long readout interval, skipping watchdog check: cs_nsec: 100403747751 wd_nsec: 100403749968
