rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (1 GPs behind) idle=d5b4/1/0x4000000000000000 softirq=85832/85839 fqs=5241
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1254873          0            0
rcu: 	cputime:    30853      21636           75   ==> 52500(ms)
rcu: 	(t=10502 jiffies g=76705 q=2238 ncpus=2)
CPU: 1 UID: 0 PID: 17220 Comm: syz.3.2921 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:lock_acquire+0x175/0x360
Code: 00 00 00 00 9c 8f 44 24 30 f7 44 24 30 00 02 00 00 0f 85 cd 00 00 00 f7 44 24 08 00 02 00 00 74 01 fb 65 48 8b 05 9b d1 23 11 <48> 3b 44 24 58 0f 85 f2 00 00 00 48 83 c4 60 5b 41 5c 41 5d 41 5e
RSP: 0018:ffffc900001e00b8 EFLAGS: 00000206
RAX: 5d6aeede7c830a00 RBX: 0000000000000000 RCX: 5d6aeede7c830a00
RDX: 0000000000000000 RSI: ffffffff8dd8c8ae RDI: ffffffff8c03d4e0
RBP: ffffffff81742d25 R08: 0000000000000000 R09: ffffffff81742d25
R10: ffffc900001e0278 R11: ffffffff81acd5c0 R12: 0000000000000002
R13: ffffffff8e33d360 R14: 0000000000000000 R15: 0000000000000246
FS:  00007f8c21db26c0(0000) GS:ffff8881a3a03000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff4811d5f40 CR3: 0000000020fc4000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 unwind_next_frame+0xc2/0x2390
 arch_stack_walk+0x11c/0x150
 stack_trace_save+0x9c/0xe0
 __kfence_alloc+0x2b2/0x3b0
 __kmalloc_cache_noprof+0x5ea/0x6f0
 ref_tracker_alloc+0x133/0x460
 dst_init+0xe6/0x460
 dst_alloc+0x12a/0x170
 icmp6_dst_alloc+0x75/0x420
 ndisc_send_skb+0x3f1/0x1510
 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:finish_task_switch+0x26b/0x950
Code: 0f 84 3c 01 00 00 48 85 db 0f 85 63 01 00 00 0f 1f 44 00 00 4c 8b 75 d0 4c 89 e7 e8 cf 30 ef 09 e8 0a 4c 36 00 fb 4c 8b 65 c0 <49> 8d bc 24 58 16 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 28 84 c0
RSP: 0018:ffffc90002a276f8 EFLAGS: 00000282
RAX: 5d6aeede7c830a00 RBX: 0000000000000000 RCX: 5d6aeede7c830a00
RDX: 0000000000000006 RSI: ffffffff8db9e7a7 RDI: ffffffff8c03d4e0
RBP: ffffc90002a27750 R08: ffffffff8fc34277 R09: 1ffffffff1f8684e
R10: dffffc0000000000 R11: fffffbfff1f8684f R12: ffff88810e588000
R13: dffffc0000000000 R14: ffff88810e579d00 R15: ffff88813663ab98
 __schedule+0x17a0/0x4cc0
 preempt_schedule_notrace+0xd1/0x110
 preempt_schedule_notrace_thunk+0x16/0x30
 lock_release+0x3ca/0x3e0
 kmem_cache_alloc_node_noprof+0x4f/0x710
 perf_event_alloc+0x1c4/0x2be0
 __se_sys_perf_event_open+0x772/0x1d70
 do_syscall_64+0xfa/0xfa0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8c20f8ec29
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:00007f8c21db2038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f8c211d5fa0 RCX: 00007f8c20f8ec29
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000040
RBP: 00007f8c21011e41 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f8c211d6038 R14: 00007f8c211d5fa0 R15: 00007ffc7b380218
 </TASK>
