rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (1775 ticks this GP) idle=fc14/1/0x4000000000000000 softirq=28414/28414 fqs=5242
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   353654          1            0
rcu: 	cputime:    10024       7715           14   ==> 17750(ms)
rcu: 	(t=10502 jiffies g=23005 q=3138 ncpus=2)
CPU: 0 UID: 0 PID: 8787 Comm: syz.1.758 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:seqcount_lockdep_reader_access+0x129/0x180
Code: 6e ae ff 48 c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f6 44 24 21 02 75 4b 41 f7 c5 00 02 00 00 74 01 fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 66 43 c7 44 27 09 00 00 43 c6 44 27 0b 00
RSP: 0018:ffffc90000007280 EFLAGS: 00000206
RAX: 1aeab806fbf42e00 RBX: ffff88815fffc3d8 RCX: 1aeab806fbf42e00
RDX: 0000000000000002 RSI: ffffffff8d792409 RDI: ffffffff8bc082e0
RBP: ffffc90000007328 R08: ffffffff8f821f77 R09: 1ffffffff1f043ee
R10: dffffc0000000000 R11: fffffbfff1f043ef R12: dffffc0000000000
R13: 0000000000000a06 R14: ffffffff821b140b R15: 1ffff92000000e50
FS:  00007fd6d72416c0(0000) GS:ffff88818e835000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001000 CR3: 00000001043dc000 CR4: 00000000000006f0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000200000000300
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 bad_range+0x8b/0x2c0
 get_page_from_freelist+0x2342/0x2440
 __alloc_frozen_pages_noprof+0x181/0x370
 alloc_pages_mpol+0x232/0x4a0
 allocate_slab+0x86/0x3b0
 ___slab_alloc+0xf2b/0x1960
 __slab_alloc+0x65/0x100
 kmem_cache_alloc_node_noprof+0x4ce/0x720
 kmalloc_reserve+0xbd/0x290
 __alloc_skb+0x27e/0x430
 ndisc_alloc_skb+0x9f/0x480
 ndisc_send_rs+0x2b5/0x630
 addrconf_rs_timer+0x369/0x6a0
 call_timer_fn+0x16e/0x590
 __run_timer_base+0x61a/0x860
 run_timer_softirq+0xb7/0x180
 handle_softirqs+0x27d/0x850
 __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 02 a6 0b 00 48 85 db 75 16 e8 f8 a5 0b 00 eb 15 e8 f1 a5 0b 00 e8 ac b5 a5 09 48 85 db 74 ea e8 e2 a5 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:ffffc900044e79e0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000200 RCX: ffff88810a1f8000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900044e7ab0 R08: ffffffff8f821f77 R09: 1ffffffff1f043ee
R10: dffffc0000000000 R11: fffffbfff1f043ef R12: 1ffff9200089cf40
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff9200089cf61
 smp_call_function_single+0x351/0x590
 perf_install_in_context+0x593/0x8f0
 __se_sys_perf_event_open+0x1966/0x1d90
 do_syscall_64+0xfa/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd6d638f7c9
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:00007fd6d7241038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007fd6d65e5fa0 RCX: 00007fd6d638f7c9
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 00002000000003c0
RBP: 00007fd6d63f297f R08: 0000000000000002 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd6d65e6038 R14: 00007fd6d65e5fa0 R15: 00007fff4e1abe28
 </TASK>
