rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10499 ticks this GP) idle=3114/1/0x4000000000000000 softirq=28456/28458 fqs=4278
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   786001          2            0
rcu: 	cputime:    37145      15343           60   ==> 52490(ms)
rcu: 	(t=10500 jiffies g=20749 q=2529 ncpus=2)
CPU: 1 UID: 0 PID: 8978 Comm: syz.4.1271 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_rx_list+0x201c/0x2a90
Code: e9 f1 e6 ff ff e8 64 e4 ca f6 4c 8b 74 24 08 eb 0c e8 58 e4 ca f6 eb 05 e8 51 e4 ca f6 4c 89 f7 48 8b 74 24 10 e8 24 b5 f5 ff <66> 41 83 ff 08 0f 84 7a f9 ff ff e8 34 e4 ca f6 4c 8b 6c 24 10 49
RSP: 0018:ffffc900001e0a00 EFLAGS: 00000246
RAX: e322819f44758500 RBX: 0000000000000080 RCX: e322819f44758500
RDX: 0000000000000002 RSI: ffffffff8d9b696f RDI: ffffffff8be33280
RBP: ffffc900001e0c10 R08: ffffffff8fa37e37 R09: 1ffffffff1f46fc6
R10: dffffc0000000000 R11: fffffbfff1f46fc7 R12: dffffc0000000000
R13: ffff888033f766d0 R14: ffff88802b7b0e40 R15: 0000000000000000
FS:  00007f7367e6f6c0(0000) GS:ffff8881a3c1c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2df04ff8 CR3: 000000010ac82000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 00000000000f0602
Call Trace:
 <IRQ>
 ieee80211_rx_napi+0x1a8/0x3d0
 ieee80211_handle_queued_frames+0xe8/0x1f0
 tasklet_action_common+0x36c/0x580
 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:__schedule+0x2c5/0x4cc0
Code: 74 28 80 3d 8e 32 13 04 00 75 1f c6 05 85 32 13 04 01 48 c7 c7 80 38 8a 8b be 31 17 00 00 48 c7 c2 e0 41 8a 8b e8 cb 75 23 f6 <4c> 89 74 24 18 4c 89 7c 24 30 0f 1f 44 00 00 48 c7 c0 e0 7f a3 8f
RSP: 0018:ffffc900064ef820 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffc900064e8000 RCX: e322819f44758500
RDX: 0000000000000000 RSI: ffffffff8dba5ba2 RDI: ffffffff8be33280
RBP: ffffc900064efa30 R08: ffffffff8fa37e37 R09: 1ffffffff1f46fc6
R10: dffffc0000000000 R11: fffffbfff1f46fc7 R12: ffff8881a3c1c000
R13: 0000000000000001 R14: ffff888107c19cc0 R15: 1ffff11026cc7551
 preempt_schedule_irq+0xb5/0x150
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:perf_install_in_context+0x6ce/0x8f0
Code: 80 3c 20 00 74 08 48 89 df e8 6e 13 33 00 48 83 3b 00 0f 84 8f 00 00 00 e8 5f a5 cf ff e9 e8 fd ff ff e8 55 a5 cf ff 4d 89 fc <eb> 1f e8 4b a5 cf ff 48 8b 7c 24 10 48 8b 5c 24 18 48 89 de e8 19
RSP: 0018:ffffc900064efba0 EFLAGS: 00000287
RAX: ffffffff81f006fb RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc90009b4d000 RSI: 000000000000028f RDI: 0000000000000290
RBP: ffffc900064efcf0 R08: ffffffff8fa37e37 R09: 1ffffffff1f46fc6
R10: dffffc0000000000 R11: fffffbfff1f46fc7 R12: dffffc0000000000
R13: ffff888107c19cd4 R14: ffffc900064efc20 R15: dffffc0000000000
 __se_sys_perf_event_open+0x193a/0x1d70
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7366f8eba9
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:00007f7367e6f038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f73671d5fa0 RCX: 00007f7366f8eba9
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000100
RBP: 00007f7367011e19 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f73671d6038 R14: 00007f73671d5fa0 R15: 00007fff5e94c9b8
 </TASK>
sched: DL replenish lagged too much
