rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10499 ticks this GP) idle=43e4/1/0x4000000000000000 softirq=27169/27169 fqs=4895
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1051691          0            0
rcu: 	cputime:    32060      20428           86   ==> 52490(ms)
rcu: 	(t=10500 jiffies g=22617 q=2087 ncpus=2)
CPU: 1 UID: 0 PID: 8077 Comm: syz.0.577 Not tainted 6.16.0-syzkaller-06699-ge8d780dcd957 #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:ndisc_constructor+0x503/0x8a0
Code: fc ff df 48 8b 5c 24 08 43 80 3c 2f 00 74 08 48 89 df e8 00 91 f8 f7 4c 8b 33 49 83 c6 10 4c 89 f0 48 c1 e8 03 42 80 3c 28 00 <74> 08 4c 89 f7 e8 e3 90 f8 f7 49 8b 1e 48 85 db 48 c7 c0 a0 f1 9e
RSP: 0018:ffffc900001e0610 EFLAGS: 00000246
RAX: 1ffffffff1928c72 RBX: ffff8881223b4010 RCX: 0000000002000000
RDX: 0000000000000004 RSI: ffff888120d62b3c RDI: ffff888120d629c2
RBP: 1ffff110241ac527 R08: 0000000002000000 R09: 1ffff110241ac538
R10: dffffc0000000000 R11: ffffed10241ac539 R12: ffff888120d62800
R13: dffffc0000000000 R14: ffffffff8c946390 R15: 1ffff11024476802
FS:  00007fb8fd5f66c0(0000) GS:ffff8881a3c7e000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb8fd5f5fc8 CR3: 00000000219e6000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000200000000300 DR2: 0000200000000300
DR3: 0000200000000300 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 ___neigh_create+0xcf3/0x2260
 ip6_finish_output2+0xb4d/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:preempt_schedule_irq+0xb0/0x150
Code: 24 20 f6 44 24 21 02 74 0c 90 0f 0b 48 f7 03 08 00 00 00 74 64 bf 01 00 00 00 e8 0b 10 1f f6 e8 36 3e 56 f6 fb bf 01 00 00 00 <e8> eb aa ff ff 48 c7 44 24 40 00 00 00 00 9c 8f 44 24 40 8b 44 24
RSP: 0018:ffffc90002c8f580 EFLAGS: 00000282
RAX: cb7f01ecbc689300 RBX: 0000000000000000 RCX: cb7f01ecbc689300
RDX: 0000000000000006 RSI: ffffffff8d979737 RDI: 0000000000000001
RBP: ffffc90002c8f630 R08: ffffffff8fa08df7 R09: 1ffffffff1f411be
R10: dffffc0000000000 R11: fffffbfff1f411bf R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000591eb0
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:unwind_next_frame+0xc86/0x2390
Code: e8 1f 00 b0 00 49 89 1f 48 8b 44 24 58 80 3c 28 00 48 8b 5c 24 70 4c 8b 6c 24 50 4c 8b 64 24 10 74 08 48 89 df e8 fa ff af 00 <4c> 89 23 ba 10 00 00 00 4c 89 ef 31 f6 e8 c8 01 b0 00 48 8b 14 24
RSP: 0018:ffffc90002c8f6f8 EFLAGS: 00000246
RAX: 1ffff92000591f00 RBX: ffffc90002c8f800 RCX: 1ffff92000591e01
RDX: ffffffff903e58ba RSI: 0000000000000002 RDI: ffffc90002c8fbd8
RBP: dffffc0000000000 R08: 000000000000000b R09: ffffffff8172cd05
R10: ffffc90002c8f818 R11: ffffffff81ac39b0 R12: ffffc90002c8fbe0
R13: ffffc90002c8f818 R14: ffffc90002c8f7c8 R15: ffffc90002c8f810
 arch_stack_walk+0x11c/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_track+0x3e/0x80
 __kasan_slab_alloc+0x6c/0x80
 kmem_cache_alloc_noprof+0x1c1/0x3c0
 alloc_empty_file+0x55/0x1d0
 alloc_file_pseudo+0x13d/0x210
 anon_inode_getfile+0xc5/0x1a0
 __se_sys_perf_event_open+0xf20/0x1d70
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb8ff38ebe9
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:00007fb8fd5f6038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007fb8ff5b5fa0 RCX: 00007fb8ff38ebe9
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000180
RBP: 00007fb8ff411e19 R08: 000000000000000a R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb8ff5b6038 R14: 00007fb8ff5b5fa0 R15: 00007ffc22b60678
 </TASK>
clocksource: Long readout interval, skipping watchdog check: cs_nsec: 98204420835 wd_nsec: 98204423087
