rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (1 GPs behind) idle=af7c/1/0x4000000000000000 softirq=137908/137909 fqs=5079
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1058030          0            0
rcu: 	cputime:    35057      17422           92   ==> 52480(ms)
rcu: 	(t=10500 jiffies g=126689 q=1443 ncpus=2)
CPU: 1 UID: 0 PID: 31614 Comm: syz.9.7331 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:unwind_next_frame+0x196b/0x23c0
Code: 00 74 08 4c 89 ff e8 c4 52 b9 00 49 8b 07 4d 39 e5 0f 96 c1 4c 39 e0 0f 97 c2 20 ca 80 fa 01 0f 85 62 01 00 00 49 8d 4c 24 08 <4c> 39 e9 0f 86 54 01 00 00 48 39 c1 0f 87 4b 01 00 00 4c 3b a4 24
RSP: 0018:ffffc90000a082d8 EFLAGS: 00000246
RAX: ffffc90007238000 RBX: ffffc90007237e01 RCX: ffffc90007237c08
RDX: ffffffff909cf901 RSI: 0000000000000000 RDI: ffffc90000a083b0
RBP: dffffc0000000000 R08: 0000000000000018 R09: ffffffff8e75e3e0
R10: ffffc90000a083f8 R11: ffffffff81b0bfa0 R12: ffffc90007237c00
R13: ffffc90007230000 R14: ffffc90000a083a8 R15: ffffc90000a083b8
FS:  00007f4e770096c0(0000) GS:ffff8882a9463000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000100000001 CR3: 0000000114dae000 CR4: 00000000000006f0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 arch_stack_walk+0x11b/0x150
 stack_trace_save+0xa9/0x100
 kasan_save_track+0x3e/0x80
 __kasan_kmalloc+0x93/0xb0
 __kmalloc_cache_noprof+0x31c/0x660
 ref_tracker_alloc+0x15a/0x4c0
 dst_init+0xd9/0x480
 dst_alloc+0x12a/0x170
 icmp6_dst_alloc+0x75/0x440
 ndisc_send_skb+0x44a/0x1670
 addrconf_rs_timer+0x395/0x6d0
 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:finish_task_switch+0x245/0x920
Code: 00 00 48 85 db 0f 85 e8 01 00 00 0f 1f 44 00 00 4c 8b 75 d0 49 83 c4 48 4c 89 e7 e8 85 99 1b 0a e8 b0 8e 38 00 fb 4c 8b 65 c0 <49> 8d bc 24 70 16 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 28 84 c0
RSP: 0018:ffffc90007237878 EFLAGS: 00000202
RAX: 00000000000b1b19 RBX: 0000000000000000 RCX: 0000000080000001
RDX: 0000000000000006 RSI: ffffffff8def4b7d RDI: ffffffff8c27b400
RBP: ffffc900072378d0 R08: ffffffff90118bb7 R09: 1ffffffff2023176
R10: dffffc0000000000 R11: fffffbfff2023177 R12: ffff88816d121d40
R13: dffffc0000000000 R14: ffff888102eeba80 R15: ffff88823c63b918
 __schedule+0x15e5/0x52d0
 preempt_schedule_irq+0x4d/0xa0
 irqentry_exit+0x599/0x620
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:perf_ioctl+0xcc3/0x20c0
Code: 7b c9 ff e9 6b 04 00 00 e8 da 7b c9 ff 49 c7 c7 f7 ff ff ff e9 c8 f4 ff ff e8 c9 7b c9 ff 49 c7 c7 ea ff ff ff e9 b7 f4 ff ff <e8> b8 7b c9 ff 45 31 ff e9 aa f4 ff ff e8 ab 7b c9 ff 48 83 c3 58
RSP: 0018:ffffc90007237c00 EFLAGS: 00000246
RAX: ffffffff81fc1ee3 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff88816d121d40 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90007237ea8 R08: ffff8881ac77f967 R09: 1ffff110358eff2c
R10: dffffc0000000000 R11: ffffed10358eff2d R12: ffff888177a0de38
R13: fffff52000e46f94 R14: dffffc0000000000 R15: ffffc9000796d000
 __se_sys_ioctl+0xfc/0x170
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4e7619c799
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:00007f4e77009028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f4e76416090 RCX: 00007f4e7619c799
RDX: 0000000000000007 RSI: 0000000040042408 RDI: 0000000000000008
RBP: 00007f4e76232c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4e76416128 R14: 00007f4e76416090 R15: 00007ffeb90ed5f8
 </TASK>
