rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10499 ticks this GP) idle=4734/1/0x4000000000000000 softirq=16748/16993 fqs=5171
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1206124        748            0
rcu: 	cputime:    33697      18777           44   ==> 52480(ms)
rcu: 	(t=10500 jiffies g=10969 q=8682 ncpus=2)
CPU: 1 UID: 0 PID: 6704 Comm: syz.2.253 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:ieee80211_iterate_active_interfaces_atomic+0xdb/0x180
Code: c7 c7 a0 ae b0 8c be 4b 03 00 00 48 c7 c2 e0 ae b0 8c e8 a8 c8 a2 f6 83 cd 02 4c 89 e7 89 ee 4c 89 fa 4c 89 f1 e8 85 f9 ff ff <e8> d0 a0 7e 00 89 c5 31 ff 89 c6 e8 75 f2 c4 f6 85 ed 74 10 e8 fc
RSP: 0018:ffffc900001e0c30 EFLAGS: 00000282
RAX: ffffffff8afabc09 RBX: ffffffff8afabd5a RCX: ffff8880309e0000
RDX: 0000000000000100 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000002 R08: ffff8880309e0000 R09: 0000000000000002
R10: 0000000000000007 R11: 0000000000000100 R12: ffff888112970e40
R13: 0000000000000001 R14: ffff888112977038 R15: ffffffff86fec810
FS:  00007f1ed9cec6c0(0000) GS:ffff8881a3c1c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efffe753440 CR3: 00000001128c8000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 mac80211_hwsim_beacon+0xbb/0x1c0
 __hrtimer_run_queues+0x52c/0xc60
 hrtimer_run_softirq+0x187/0x2b0
 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:_raw_spin_unlock_irqrestore+0xa8/0x110
Code: 74 05 e8 4b 67 4b f6 48 c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f6 44 24 21 02 75 4f f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> 93 0e 14 f6 65 8b 05 6c 51 24 07 85 c0 74 40 48 c7 04 24 0e 36
RSP: 0018:ffffc900084df100 EFLAGS: 00000206
RAX: 20151c7f754ea800 RBX: 0000000000000a02 RCX: 20151c7f754ea800
RDX: 0000000000000006 RSI: ffffffff8d9b6a7d RDI: 0000000000000001
RBP: ffffc900084df180 R08: ffffffff8fa38037 R09: 1ffffffff1f47006
R10: dffffc0000000000 R11: fffffbfff1f47007 R12: dffffc0000000000
R13: 0000000000000002 R14: ffff88810903bc48 R15: 1ffff9200109be20
 __percpu_counter_sum+0x1c2/0x1e0
 __mmdrop+0x1b6/0x580
 finish_task_switch+0x3ee/0x950
 __schedule+0x17a0/0x4cc0
 preempt_schedule_common+0x83/0xd0
 preempt_schedule+0xae/0xc0
 preempt_schedule_thunk+0x16/0x30
 on_each_cpu_cond_mask+0x7a/0x80
 smp_text_poke_batch_finish+0xe98/0x1130
 __static_call_transform+0x4eb/0x750
 arch_static_call_transform+0x98/0xc0
 __static_call_update+0xe4/0x5d0
 tracepoint_add_func+0x91e/0xa10
 tracepoint_probe_register+0x5d/0x90
 perf_trace_event_init+0x4e1/0x9d0
 perf_trace_init+0x23d/0x2d0
 perf_tp_event_init+0x8d/0x120
 perf_try_init_event+0x17f/0x870
 perf_event_alloc+0x133e/0x2be0
 __se_sys_perf_event_open+0x772/0x1d70
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1ed8d8eba9
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:00007f1ed9cec038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f1ed8fd5fa0 RCX: 00007f1ed8d8eba9
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000040
RBP: 00007f1ed8e11e19 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f1ed8fd6038 R14: 00007f1ed8fd5fa0 R15: 00007ffe76d9e718
 </TASK>
sched: DL replenish lagged too much
