rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10495 ticks this GP) idle=7474/1/0x4000000000000000 softirq=48086/48318 fqs=5234
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1266234        773            0
rcu: 	cputime:    33002      19483           38   ==> 52490(ms)
rcu: 	(t=10500 jiffies g=29177 q=3364 ncpus=2)
CPU: 0 UID: 0 PID: 9898 Comm: syz.9.714 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:filter_irq_stacks+0x7f/0xa0
Code: 27 48 3d 80 0f 7c 8b 0f 92 c1 48 3d 9b 0f 7c 8b 0f 93 c0 08 c8 74 11 48 ff c3 49 83 c7 08 49 39 dc 75 ae 44 89 e3 eb 06 ff c3 <eb> 02 31 db 89 d8 5b 41 5c 41 5d 41 5e 41 5f e9 7d d6 cf 09 cc cc
RSP: 0018:ffffc90000006b48 EFLAGS: 00000202
RAX: ffffffff810014ca RBX: 0000000000000013 RCX: 0000000000000001
RDX: 0000000000000901 RSI: 0000000000000024 RDI: ffffc90000006be0
RBP: ffffc90000006e10 R08: 0000000000000000 R09: ffffffff81cea0b6
R10: ffffc90000006af8 R11: ffffffff81ac3930 R12: 0000000000000024
R13: dffffc0000000000 R14: ffffc90000006be0 R15: ffffc90000006c70
FS:  00007f2be1a226c0(0000) GS:ffff8880b861c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efde5f90580 CR3: 000000002c5b8000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000200000000300 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 stack_depot_save_flags+0x40/0x860
 kasan_save_track+0x4f/0x80
 __kasan_kmalloc+0x93/0xb0
 __kmalloc_noprof+0x27a/0x4f0
 ieee802_11_parse_elems_full+0x152/0x2ab0
 ieee80211_inform_bss+0x10c/0x10a0
 cfg80211_inform_single_bss_data+0xd05/0x1ac0
 cfg80211_inform_bss_data+0x1fb/0x3b30
 cfg80211_inform_bss_frame_data+0x3d7/0x730
 ieee80211_bss_info_update+0x746/0x9e0
 ieee80211_scan_rx+0x593/0xa20
 ieee80211_rx_list+0x201c/0x2a90
 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:_raw_spin_unlock_irqrestore+0xa8/0x110
Code: 74 05 e8 4b 87 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 2e 14 f6 65 8b 05 6c 71 24 07 85 c0 74 40 48 c7 04 24 0e 36
RSP: 0018:ffffc900079972e0 EFLAGS: 00000206
RAX: 2a20be3221a35b00 RBX: 0000000000000a06 RCX: 2a20be3221a35b00
RDX: 0000000000000006 RSI: ffffffff8d9b6a5f RDI: 0000000000000001
RBP: ffffc90007997378 R08: ffffffff8fa38037 R09: 1ffffffff1f47006
R10: dffffc0000000000 R11: fffffbfff1f47007 R12: dffffc0000000000
R13: 0000000000000004 R14: ffffffff8e21e080 R15: 1ffff92000f32e5c
 percpu_counter_destroy_many+0x23f/0x3e0
 __mmdrop+0x31b/0x580
 finish_task_switch+0x3ee/0x950
 __schedule+0x17a0/0x4cc0
 preempt_schedule_irq+0xb5/0x150
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:preempt_schedule+0x4/0xc0
Code: 9c 15 f6 e9 ce bc 01 00 cc 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa <55> 48 89 e5 41 56 53 48 83 e4 e0 48 83 ec 60 65 48 8b 05 d5 e0 25
RSP: 0018:ffffc90007997820 EFLAGS: 00000293
RAX: ffffffff81b437eb RBX: 0000000000000000 RCX: ffff88810f70d640
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90007997870 R08: ffffffff8fa38037 R09: 1ffffffff1f47006
R10: dffffc0000000000 R11: fffffbfff1f47007 R12: 0000000000000000
R13: dffffc0000000000 R14: 1ffff92000f32f14 R15: 1ffff92000f32f14
 preempt_schedule_thunk+0x16/0x30
 smp_call_function_single+0x470/0x590
 event_function_call+0x326/0x970
 _perf_event_period+0x1e1/0x230
 perf_ioctl+0x8f1/0x1ec0
 __se_sys_ioctl+0xfc/0x170
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2be0b8ebe9
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:00007f2be1a22038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f2be0dc5fa0 RCX: 00007f2be0b8ebe9
RDX: 0000200000000000 RSI: 0000000040082404 RDI: 0000000000000003
RBP: 00007f2be0c11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2be0dc6038 R14: 00007f2be0dc5fa0 R15: 00007ffca3c32168
 </TASK>
