rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (1 GPs behind) idle=3cfc/1/0x4000000000000000 softirq=192775/192776 fqs=5222
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1274116          0            0
rcu: 	cputime:    32287      20212           76   ==> 52510(ms)
rcu: 	(t=10502 jiffies g=177505 q=2718 ncpus=2)
CPU: 0 UID: 0 PID: 8184 Comm: syz.9.9492 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:__kernel_text_address+0x4/0x30
Code: 7c c1 48 c7 c7 80 6b 11 90 e8 b8 14 a0 00 eb b3 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 40 d6 <53> 48 89 fb e8 33 00 00 00 48 81 fb 00 90 7d 91 0f 93 c1 48 81 fb
RSP: 0018:ffffc90000007380 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffc900000073f0 RCX: 0000000000000101
RDX: 0000000000000003 RSI: ffffffff8e169c78 RDI: ffffffff8a55e1c5
RBP: ffffc90000007430 R08: ffffc90000007980 R09: 0000000000000000
R10: ffffc900000073f8 R11: fffff52000000e81 R12: ffff88816d4d0000
R13: ffff888113658780 R14: dffffc0000000000 R15: 1ffff92000000e7e
FS:  00007ff8aaa2d6c0(0000) GS:ffff88818de5c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000018c0 CR3: 00000001b855e000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000200000000300 DR2: 0000200000000300
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 unwind_get_return_address+0x4d/0x90
 arch_stack_walk+0xfb/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:__kasan_check_read+0x6/0x20
Code: c0 b8 f7 fe 31 ed eb cf cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 89 f6 <48> 8b 0c 24 31 d2 e9 8f e5 ff ff 66 66 66 66 66 66 2e 0f 1f 84 00
RSP: 0018:ffffc90006a8f778 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff9011b3b0
RBP: ffffc90006a8f970 R08: ffffc90006a8f90f R09: 0000000000000000
R10: ffffc90006a8f900 R11: fffff52000d51f22 R12: 0000000000000000
R13: 0000000000000001 R14: dffffc0000000000 R15: 0000000000000000
 __schedule+0xd5/0x52d0
 preempt_schedule_irq+0x4d/0xa0
 irqentry_exit+0x599/0x620
 asm_sysvec_call_function_single+0x1a/0x20
RIP: 0010:kasan_check_range+0x97/0x2c0
Code: 00 fc ff df 4d 8d 34 19 4d 89 f4 4d 29 dc 49 83 fc 10 7f 29 4d 85 e4 0f 84 3d 01 00 00 4c 89 cb 48 f7 d3 4c 01 fb 41 80 3b 00 <0f> 85 9e 01 00 00 49 ff c3 48 ff c3 75 ee e9 1d 01 00 00 44 89 dd
RSP: 0018:ffffc90006a8faa8 EFLAGS: 00000202
RAX: ffffffff81fbfc01 RBX: ffffffffffffffff RCX: ffffffff81fbfce8
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffffff9a2d0c60
RBP: dffffc0000000000 R08: ffffffff9a2d0c63 R09: 1ffffffff345a18c
R10: dffffc0000000000 R11: fffffbfff345a18c R12: 0000000000000001
R13: 0000000000000001 R14: fffffbfff345a18d R15: 1ffffffff345a18c
 account_event+0x4f8/0x8c0
 perf_event_alloc+0x27ea/0x2e30
 __se_sys_perf_event_open+0x7a9/0x1d60
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff8a9b9c799
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:00007ff8aaa2d028 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007ff8a9e15fa0 RCX: 00007ff8a9b9c799
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000180
RBP: 00007ff8a9c32c99 R08: 000000000000000a R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff8a9e16038 R14: 00007ff8a9e15fa0 R15: 00007fff8b878178
 </TASK>
sched: DL replenish lagged too much
