rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10500 ticks this GP) idle=6054/1/0x4000000000000000 softirq=38553/38554 fqs=4898
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   963394          0            0
rcu: 	cputime:    37646      14853           51   ==> 52510(ms)
rcu: 	(t=10502 jiffies g=34693 q=3194 ncpus=2)
CPU: 0 UID: 0 PID: 11966 Comm: syz.5.1660 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:lock_acquire+0x16c/0x340
Code: 00 00 00 00 9c 8f 44 24 30 f7 44 24 30 00 02 00 00 0f 85 cd 00 00 00 f7 44 24 08 00 02 00 00 74 01 fb 65 48 8b 05 d4 38 e0 10 <48> 3b 44 24 58 0f 85 e5 00 00 00 48 83 c4 60 5b 41 5c 41 5d 41 5e
RSP: 0018:ffffc90000006c18 EFLAGS: 00000206
RAX: ade2e2b996308100 RBX: 0000000000000000 RCX: ade2e2b996308100
RDX: 000000008eba6367 RSI: ffffffff8d97916f RDI: ffffffff8bc082e0
RBP: ffffffff81743f85 R08: ffffffff81743f85 R09: ffffffff8df41a20
R10: ffffc90000006dd8 R11: ffffffff81ada120 R12: 0000000000000002
R13: ffffffff8df41a20 R14: 0000000000000000 R15: 0000000000000246
FS:  00007feb16c3f6c0(0000) GS:ffff88818e835000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff71767228 CR3: 0000000176054000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 unwind_next_frame+0xc2/0x23d0
 arch_stack_walk+0x11c/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_track+0x3e/0x80
 __kasan_kmalloc+0x93/0xb0
 __kmalloc_noprof+0x41d/0x800
 cfg80211_inform_single_bss_data+0x91e/0x1ad0
 cfg80211_inform_bss_data+0x203/0x3b40
 cfg80211_inform_bss_frame_data+0x3c7/0x710
 ieee80211_bss_info_update+0x749/0x9e0
 ieee80211_scan_rx+0x593/0xa20
 ieee80211_rx_list+0x2485/0x2f90
 ieee80211_rx_napi+0x1a8/0x3d0
 ieee80211_handle_queued_frames+0xe8/0x1e0
 tasklet_action_common+0x358/0x550
 handle_softirqs+0x27d/0x850
 __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:finish_task_switch+0x306/0x940
Code: 28 84 c0 0f 85 f9 02 00 00 f7 03 20 00 00 00 0f 85 de 01 00 00 f3 0f 1e fa 4c 89 ff be 04 00 00 00 e8 5e 07 96 00 f0 41 ff 0f <0f> 84 37 01 00 00 81 7d a8 80 00 00 00 0f 84 3f 01 00 00 48 83 c4
RSP: 0018:ffffc90003dc7738 EFLAGS: 00000202
RAX: 1ffff110221a4801 RBX: ffff888110d25128 RCX: ffffffff819214d2
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff8881b362a4c0
RBP: ffffc90003dc7790 R08: ffff8881b362a4c3 R09: 1ffff110366c5498
R10: dffffc0000000000 R11: ffffed10366c5499 R12: ffff888110d24018
R13: dffffc0000000000 R14: ffff8881026c8000 R15: ffff8881b362a4c0
 __schedule+0x14c4/0x5000
 preempt_schedule_common+0x83/0xd0
 preempt_schedule+0xae/0xc0
 preempt_schedule_thunk+0x16/0x30
 smp_call_function_single+0x470/0x590
 perf_install_in_context+0x593/0x8f0
 __se_sys_perf_event_open+0x1966/0x1d90
 do_syscall_64+0xfa/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7feb15d8f7c9
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:00007feb16c3f038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007feb15fe5fa0 RCX: 00007feb15d8f7c9
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000100
RBP: 00007feb15df297f R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007feb15fe6038 R14: 00007feb15fe5fa0 R15: 00007ffd8ba166c8
 </TASK>
sched: DL replenish lagged too much
