rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (5189 ticks this GP) idle=c04c/1/0x4000000000000000 softirq=23009/23011 fqs=5164
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   894861         13            0
rcu: 	cputime:    32992      18873           52   ==> 51870(ms)
rcu: 	(t=10500 jiffies g=15841 q=2758 ncpus=2)
CPU: 1 UID: 0 PID: 7630 Comm: syz.0.474 Not tainted 6.17.0-rc1-syzkaller-00022-g07866544e410-dirty #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:arch_stack_walk+0x11c/0x150
Code: ff ff 4c 89 ff e8 c4 25 09 00 48 85 c0 74 24 48 89 df 48 89 c6 4d 89 f3 2e e8 10 77 12 0a 84 c0 74 11 4c 89 ff e8 f4 26 09 00 <83> bd 78 ff ff ff 00 75 cf 65 48 8b 05 13 a6 36 11 48 3b 45 d8 75
RSP: 0018:ffffc900001dff88 EFLAGS: 00000296
RAX: 00000000903cd701 RBX: ffffc900001e0040 RCX: 6ad88fa3abe1a700
RDX: 0000000000000007 RSI: ffffffff8dba6014 RDI: ffff888107da0000
RBP: ffffc900001e0010 R08: ffffc90003fbfcf0 R09: 0000000000000000
R10: ffffc900001dffd8 R11: fffff5200003bffd R12: ffff888107da0000
R13: 1ffff9200003c074 R14: ffffffff81ac3890 R15: ffffc900001dff88
FS:  00007f9ffe8776c0(0000) GS:ffff8881a3c1c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c357ea0 CR3: 000000011a9d4000 CR4: 00000000000006f0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 00000000000f0602
Call Trace:
 <IRQ>
 stack_trace_save+0x9c/0xe0
 kasan_save_stack+0x3e/0x60
 kasan_record_aux_stack+0xbd/0xd0
 call_rcu+0x157/0x9c0
 __dev_queue_xmit+0x85c/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:generic_exec_single+0x481/0x500
Code: 75 11 e8 d2 6e 0b 00 48 85 db 75 16 e8 c8 6e 0b 00 eb 15 e8 c1 6e 0b 00 e8 2c fb c4 09 48 85 db 74 ea e8 b2 6e 0b 00 fb 31 c0 <48> c7 44 24 20 0e 36 e0 45 4b c7 04 2c 00 00 00 00 66 43 c7 44 2c
RSP: 0018:ffffc90003fbf9c0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000200 RCX: 0000000000080000
RDX: ffffc900039b2000 RSI: 0000000000000332 RDI: 0000000000000333
RBP: ffffc90003fbfa90 R08: ffffffff8fa37e37 R09: 1ffffffff1f46fc6
R10: dffffc0000000000 R11: fffffbfff1f46fc7 R12: 1ffff920007f7f3c
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff920007f7f5d
 smp_call_function_single+0x351/0x590
 perf_install_in_context+0x593/0x8f0
 __se_sys_perf_event_open+0x193a/0x1d70
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9ffd98ebe9
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:00007f9ffe877038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f9ffdbb5fa0 RCX: 00007f9ffd98ebe9
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 00002000000003c0
RBP: 00007f9ffda11e19 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9ffdbb6038 R14: 00007f9ffdbb5fa0 R15: 00007ffff3a8d7d8
 </TASK>
sched: DL replenish lagged too much
