rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10490 ticks this GP) idle=5ecc/1/0x4000000000000000 softirq=40376/40376 fqs=5187
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1222923          0            0
rcu: 	cputime:    33880      18599           38   ==> 52480(ms)
rcu: 	(t=10500 jiffies g=33445 q=17189 ncpus=2)
CPU: 1 UID: 0 PID: 10935 Comm: syz.5.1456 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:__local_bh_disable_ip+0x0/0xd0
Code: 5d c3 cc cc cc cc cc e8 5e db 26 0a 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 41 56 53 89 f3 65 8b 05 00 6a 94 11 a9 00 00 0f 00 0f
RSP: 0018:ffffc90000a08b58 EFLAGS: 00000286
RAX: ffffffff8a516d5f RBX: ffff88812019d568 RCX: ffff8881053c8000
RDX: 0000000000000100 RSI: 0000000000000201 RDI: ffffffff8a516d7d
RBP: 0000000000000040 R08: ffffffff8a516c4b R09: ffffffff8e75e5e0
R10: dffffc0000000000 R11: fffff52000141168 R12: ffff88812019d000
R13: ffffc90000a08c20 R14: ffffffff8a516d7d R15: ffff88812019d568
FS:  00007fcdfa7f66c0(0000) GS:ffff8882a945a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4125e0a358 CR3: 0000000105bc0000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000200000000300
DR3: 0000200000000300 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 _raw_read_lock_bh+0x1c/0x50
 ipv6_get_lladdr+0x15d/0x3f0
 addrconf_rs_timer+0x337/0x6d0
 call_timer_fn+0x192/0x640
 __run_timer_base+0x652/0x8b0
 run_timer_softirq+0xb7/0x170
 handle_softirqs+0x22a/0x870
 __irq_exit_rcu+0x5f/0x150
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:__schedule+0x163/0x52d0
Code: 3c 37 00 74 08 48 89 df e8 5a 5a 80 f6 48 89 5c 24 30 48 8b 03 48 89 44 24 10 48 8d 58 20 48 89 d8 48 c1 e8 03 42 80 3c 30 00 <74> 08 48 89 df e8 33 5a 80 f6 48 8b 1b 48 89 d8 48 c1 e8 03 42 80
RSP: 0018:ffffc9000939f5a0 EFLAGS: 00000246
RAX: 1ffff11020a79004 RBX: ffff8881053c8020 RCX: 0000000000000001
RDX: 0000000000000000 RSI: ffffffff8c27c9e0 RDI: ffffffff8c27c9a0
RBP: ffffc9000939f790 R08: ffffffff9011b4b7 R09: 1ffffffff2023696
R10: dffffc0000000000 R11: fffffbfff2023697 R12: ffff8882a945a000
R13: 0000000000000001 R14: dffffc0000000000 R15: 1ffff110478c75c3
 preempt_schedule_irq+0x4d/0xa0
 irqentry_exit+0x599/0x620
 asm_sysvec_call_function_single+0x1a/0x20
RIP: 0010:smp_call_function_single+0x3fc/0x580
Code: 00 00 00 e8 96 43 da ff 65 8b 1d bf b5 62 11 31 ff 89 de e8 f6 fb 0b 00 85 db 74 71 e8 ad f7 0b 00 43 c7 44 2e 04 f8 f8 f8 f8 <48> c7 44 24 20 0e 36 e0 45 4b c7 04 2e 00 00 00 00 43 c7 44 2e 08
RSP: 0018:ffffc9000939f8c0 EFLAGS: 00000246
RAX: ffffffff81b9aaf4 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc90021b2a000 RSI: 0000000000001275 RDI: 0000000000001276
RBP: ffffc9000939f990 R08: ffffffff9011b4b7 R09: 1ffffffff2023696
R10: dffffc0000000000 R11: fffffbfff2023697 R12: 0000000000000000
R13: dffffc0000000000 R14: 1ffff92001273f1c R15: 1ffff92001273f1c
 event_function_call+0x35e/0x9a0
 _perf_event_period+0x1e1/0x230
 perf_ioctl+0xb03/0x20c0
 __se_sys_ioctl+0xfc/0x170
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fcdfc59c799
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fcdfa7f6028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fcdfc815fa0 RCX: 00007fcdfc59c799
RDX: 0000200000000400 RSI: 0000000040082404 RDI: 0000000000000003
RBP: 00007fcdfc632c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fcdfc816038 R14: 00007fcdfc815fa0 R15: 00007ffd6ddf1d38
 </TASK>
clocksource: Long readout interval, skipping watchdog check: cs_nsec: 101472908054 wd_nsec: 101472916205
