rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10207 ticks this GP) idle=a674/1/0x4000000000000000 softirq=25578/25582 fqs=5050
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1222594         16            0
rcu: 	cputime:    33283      19216           41   ==> 52510(ms)
rcu: 	(t=10502 jiffies g=19661 q=2959 ncpus=2)
CPU: 1 UID: 0 PID: 8090 Comm: syz.5.579 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:unwind_next_frame+0x1756/0x2390
Code: 48 c1 e8 03 0f b6 04 28 84 c0 0f 85 19 0b 00 00 48 89 d0 48 c1 e8 03 0f b6 04 28 84 c0 0f 85 2b 0b 00 00 48 0f bf 03 49 01 c4 <49> 8d 56 40 4c 89 f7 4c 89 e6 eb 5d 49 8d 5e 40 48 89 d8 48 c1 e8
RSP: 0018:ffffc900001dfd38 EFLAGS: 00000283
RAX: fffffffffffffff0 RBX: ffffffff903cf768 RCX: 0000000000000000
RDX: ffffffff903cf769 RSI: 0000000000000001 RDI: ffffc900001dfe68
RBP: dffffc0000000000 R08: ffffc900001dfe67 R09: 0000000000000000
R10: ffffc900001dfe58 R11: fffff5200003bfcd R12: ffffc90006ca7ee0
R13: ffffc900001dfe58 R14: ffffc900001dfe08 R15: 1ffffffff2079eed
FS:  00007ff503c016c0(0000) GS:ffff8881a3c13000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ff14ff8 CR3: 000000011fb06000 CR4: 00000000000006f0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 arch_stack_walk+0x11c/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_track+0x3e/0x80
 __kasan_kmalloc+0x93/0xb0
 __kmalloc_noprof+0x27a/0x4f0
 cfg80211_inform_single_bss_data+0x905/0x1ac0
 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:__schedule+0x0/0x4cc0
Code: a7 f6 45 89 f8 89 d9 48 8b 5c 24 08 e9 ee fe ff ff 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 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48
RSP: 0018:ffffc90006ca78f8 EFLAGS: 00000286
RAX: f3b38211e725d500 RBX: 0000000000000000 RCX: f3b38211e725d500
RDX: 0000000000000006 RSI: ffffffff8d9b9fb4 RDI: 0000000000000001
RBP: ffffc90006ca79b0 R08: ffffffff8fa38f37 R09: 1ffffffff1f471e6
R10: dffffc0000000000 R11: fffffbfff1f471e7 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000d94f20
 preempt_schedule_irq+0xb5/0x150
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:perf_trace_init+0xa2/0x2d0
Code: e0 d6 19 8e 0f 84 75 01 00 00 4c 89 24 24 4c 8d 63 30 4c 89 e0 48 c1 e8 03 42 0f b6 04 30 84 c0 0f 85 17 01 00 00 4d 63 24 24 <4c> 89 ff 4c 89 e6 e8 e3 8b f6 ff 4d 39 e7 0f 85 a9 00 00 00 4c 8d
RSP: 0018:ffffc90006ca7a78 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffffff8f77c120 RCX: ffff888028ca5640
RDX: 0000000000000000 RSI: 0000000000000f29 RDI: 000000000000014a
RBP: 0000000000000002 R08: ffffffff8fa38f37 R09: 1ffffffff1f471e6
R10: dffffc0000000000 R11: fffffbfff1f471e7 R12: 0000000000000f28
R13: 0000000000000000 R14: dffffc0000000000 R15: 000000000000014a
 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: 0033:0x7ff502d8eba9
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:00007ff503c01038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007ff502fd5fa0 RCX: 00007ff502d8eba9
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000180
RBP: 00007ff502e11e19 R08: 000000000000000a R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff502fd6038 R14: 00007ff502fd5fa0 R15: 00007ffc9ff9fa48
 </TASK>
sched: DL replenish lagged too much
