rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10499 ticks this GP) idle=f834/1/0x4000000000000000 softirq=144858/144858 fqs=4667
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1000716          0            0
rcu: 	cputime:    32008      20491           44   ==> 52510(ms)
rcu: 	(t=10502 jiffies g=105489 q=2822 ncpus=2)
CPU: 1 UID: 0 PID: 28052 Comm: syz.5.6292 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+0x513/0x23c0
Code: c1 e8 3f 48 01 c8 48 83 e0 fe 4c 8d 3c 45 00 00 00 00 49 01 ef 4c 89 f8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 0f b6 04 08 <84> c0 75 27 49 63 07 4c 01 f8 49 8d 4f 04 4c 39 e0 48 0f 46 e9 49
RSP: 0018:ffffc90000a084b8 EFLAGS: 00000a02
RAX: 0000000000000000 RBX: ffffffff8fe9a558 RCX: dffffc0000000000
RDX: ffffffff8fe9a52c RSI: ffffffff90674b48 RDI: ffffffff8be74020
RBP: ffffffff8fe9a52c R08: 000000000000000c R09: ffffffff8e35a3a0
R10: ffffc90000a085d8 R11: ffffffff81ae5bd0 R12: ffffffff81ae5b68
R13: ffffffff8fe9a52c R14: ffffc90000a08588 R15: ffffffff8fe9a540
FS:  00007f71fcb2a6c0(0000) GS:ffff8882a9928000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005653f1a0f9e8 CR3: 000000010a9c4000 CR4: 00000000000006f0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000200000000300 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 arch_stack_walk+0x11b/0x150
 stack_trace_save+0xa9/0x100
 kasan_save_track+0x3e/0x80
 __kasan_slab_alloc+0x6c/0x80
 kmem_cache_alloc_noprof+0x370/0x6e0
 fill_pool+0x10f/0x5c0
 debug_object_assert_init+0x2ac/0x370
 __mod_timer+0x4a/0xf30
 addrconf_mod_rs_timer+0x51/0xe0
 addrconf_rs_timer+0x49f/0x6d0
 call_timer_fn+0x192/0x5a0
 __run_timer_base+0x652/0x8b0
 run_timer_softirq+0xb7/0x170
 handle_softirqs+0x22a/0x7c0
 __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+0x18a/0x4fb0
Code: 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 ce 8f b0 f6 48 8b 1b 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 <74> 08 48 89 df e8 ac 8f b0 f6 48 81 3b 9d 6e ac 57 0f 85 a8 19 00
RSP: 0018:ffffc90005297340 EFLAGS: 00000246
RAX: 1ffff92000a52000 RBX: ffffc90005290000 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: ffffffff8be74060 RDI: ffffffff8be74020
RBP: ffffc90005297540 R08: ffffffff8fced877 R09: 1ffffffff1f9db0e
R10: dffffc0000000000 R11: fffffbfff1f9db0f R12: ffff8882a9928000
R13: 0000000000000001 R14: ffff88816be70000 R15: 1ffff110478c7680
 preempt_schedule_irq+0x4d/0xa0
 irqentry_exit+0x597/0x620
 asm_sysvec_call_function_single+0x1a/0x20
RIP: 0010:lock_acquire+0x221/0x330
Code: ff ff ff e8 e1 9c d9 09 f7 44 24 08 00 02 00 00 0f 84 3a ff ff ff 65 48 8b 05 cb 4d 30 11 48 3b 44 24 58 75 33 fb 48 83 c4 60 <5b> 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc 48 8d 3d 98 e9 32
RSP: 0018:ffffc90005297678 EFLAGS: 00000286
RAX: 924e401e379d2d00 RBX: 0000000000000000 RCX: 0000000000000046
RDX: 00000000d5e122d8 RSI: ffffffff8dd3c60e RDI: ffffffff8be74080
RBP: ffffffff8174c0e5 R08: ffffffff8174c0e5 R09: ffffffff8e35a3a0
R10: ffffc900052977d8 R11: ffffffff81ae5bd0 R12: 0000000000000002
R13: ffffffff8e35a3a0 R14: 0000000000000000 R15: 0000000000000246
 unwind_next_frame+0xc2/0x23c0
 arch_stack_walk+0x11b/0x150
 stack_trace_save+0xa9/0x100
 kasan_save_stack+0x3e/0x60
 kasan_record_aux_stack+0xbd/0xd0
 call_rcu+0xee/0x890
 tracepoint_probe_unregister+0x954/0x9c0
 trace_event_reg+0x153/0x280
 perf_trace_event_unreg+0xb9/0x1b0
 perf_trace_destroy+0xa4/0x150
 __free_event+0x346/0x7e0
 put_event+0x73/0xa0
 __se_sys_perf_event_open+0x1029/0x1d60
 do_syscall_64+0xe2/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f71fbb9acb9
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:00007f71fcb2a028 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f71fbe15fa0 RCX: 00007f71fbb9acb9
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000180
RBP: 00007f71fbc08bf7 R08: 0000000000000002 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f71fbe16038 R14: 00007f71fbe15fa0 R15: 00007ffea56e72f8
 </TASK>
