rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10500 ticks this GP) idle=fcbc/1/0x4000000000000000 softirq=76354/76354 fqs=4258
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1352754          0            0
rcu: 	cputime:    20074      32405           69   ==> 52480(ms)
rcu: 	(t=10500 jiffies g=105917 q=1217 ncpus=2)
CPU: 1 PID: 17522 Comm: syz.0.3800 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xc0/0x120 kernel/locking/spinlock.c:194
Code: c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f7 44 24 20 00 02 00 00 41 c6 04 07 f8 75 4b f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> 6b a2 bb f6 65 8b 05 7c 23 62 75 85 c0 74 3c 48 c7 04 24 0e 36
RSP: 0018:ffffc900001f0540 EFLAGS: 00000206
RAX: dffffc0000000004 RBX: 0000000000000a06 RCX: ab6e1a11beeb3a00
RDX: dffffc0000000000 RSI: ffffffff8aead140 RDI: 0000000000000001
RBP: ffffc900001f05d8 R08: ffffffff922235f7 R09: 1ffffffff24446be
R10: dffffc0000000000 R11: fffffbfff24446bf R12: dffffc0000000000
R13: dffffc0000000000 R14: ffffffff98515d28 R15: 1ffff9200003e0a8
FS:  00007fc5e0a446c0(0000) GS:ffff8880b8d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000100000000 CR3: 000000006181a000 CR4: 00000000003506e0
DR0: 0000200000000bc0 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 debug_timer_init kernel/time/timer.c:777 [inline]
 debug_init kernel/time/timer.c:825 [inline]
 init_timer_key+0x41/0x2a0 kernel/time/timer.c:869
 neigh_alloc net/core/neighbour.c:508 [inline]
 ___neigh_create+0x9fd/0x23d0 net/core/neighbour.c:649
 ip6_finish_output2+0x1492/0x1550 net/ipv6/ip6_output.c:130
 NF_HOOK_COND include/linux/netfilter.h:305 [inline]
 ip6_output+0x33b/0x530 net/ipv6/ip6_output.c:242
 dst_output include/net/dst.h:470 [inline]
 NF_HOOK include/linux/netfilter.h:316 [inline]
 ndisc_send_skb+0xbb9/0x1480 net/ipv6/ndisc.c:513
 addrconf_rs_timer+0x36b/0x640 net/ipv6/addrconf.c:4043
 call_timer_fn+0x189/0x540 kernel/time/timer.c:1701
 expire_timers kernel/time/timer.c:1752 [inline]
 __run_timers+0x570/0x810 kernel/time/timer.c:2023
 run_timer_softirq+0x67/0xf0 kernel/time/timer.c:2036
 handle_softirqs+0x27d/0x820 kernel/softirq.c:578
 __do_softirq kernel/softirq.c:612 [inline]
 invoke_softirq kernel/softirq.c:452 [inline]
 __irq_exit_rcu+0xd3/0x190 kernel/softirq.c:661
 irq_exit_rcu+0x9/0x20 kernel/softirq.c:673
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1088
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:generic_exec_single+0x477/0x4e0 kernel/smp.c:418
Code: 75 11 e8 2c 15 0b 00 48 85 db 75 16 e8 22 15 0b 00 eb 15 e8 1b 15 0b 00 e8 f6 18 1b 09 48 85 db 74 ea e8 0c 15 0b 00 fb 31 c0 <48> c7 44 24 20 0e 36 e0 45 4b c7 04 2c 00 00 00 00 43 c7 44 2c 08
RSP: 0018:ffffc9000499fa00 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000200 RCX: 0000000000080000
RDX: ffffc90019cc3000 RSI: 000000000000299d RDI: 000000000000299e
RBP: ffffc9000499fad0 R08: ffffffff92223607 R09: 1ffffffff24446c0
R10: dffffc0000000000 R11: fffffbfff24446c1 R12: 1ffff92000933f44
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff92000933f65
 smp_call_function_single+0x36d/0x5a0 kernel/smp.c:647
 task_function_call kernel/events/core.c:120 [inline]
 perf_install_in_context+0x5bb/0x920 kernel/events/core.c:2959
 __do_sys_perf_event_open kernel/events/core.c:12952 [inline]
 __se_sys_perf_event_open+0x180d/0x1d40 kernel/events/core.c:12594
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fc5dfba94d9
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:00007fc5e0a44028 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007fc5dfe25fa0 RCX: 00007fc5dfba94d9
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000001000
RBP: 00007fc5dfc3804e R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc5dfe26038 R14: 00007fc5dfe25fa0 R15: 00007ffef44c9058
 </TASK>