rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (9434 ticks this GP) idle=97c4/1/0x4000000000000000 softirq=19800/19800 fqs=4922
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1178877          2            0
rcu: 	cputime:    32629      19854           38   ==> 52500(ms)
rcu: 	(t=10502 jiffies g=15425 q=3117 ncpus=2)
CPU: 0 UID: 0 PID: 7181 Comm: syz.3.313 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+0x23e/0x2e0
Code: 5d c3 cc cc cc cc cc 48 8d 3d 2e c0 53 0e 67 48 0f b9 3a 83 3d 12 a3 50 0e 00 0f 85 38 fe ff ff e9 f6 fe ff ff e8 52 d1 ed 09 <65> 8b 05 1f 50 57 11 83 f8 08 0f 83 88 00 00 00 89 c0 48 0f a3 05
RSP: 0018:ffffc90000006a60 EFLAGS: 00000286
RAX: 22ced27fe6f55300 RBX: ffffffff8afbf6b1 RCX: 0000000000000002
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8e560120
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: ffffc90000006bf8 R11: ffffffff81af6830 R12: 0000000000000002
R13: ffffffff8e560120 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f3d0be0e6c0(0000) GS:ffff88818e0a4000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000004 CR3: 000000011e45c000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 unwind_next_frame+0xc2/0x23c0
 arch_stack_walk+0x11b/0x150
 stack_trace_save+0xa9/0x100
 kasan_save_track+0x3e/0x80
 __kasan_kmalloc+0x93/0xb0
 __kmalloc_noprof+0x35c/0x760
 ieee802_11_parse_elems_full+0x159/0x2ab0
 ieee80211_inform_bss+0x161/0x1160
 cfg80211_inform_single_bss_data+0xd08/0x1b70
 cfg80211_inform_bss_data+0x24d/0x3be0
 cfg80211_inform_bss_frame_data+0x3c7/0x760
 ieee80211_bss_info_update+0x794/0xa40
 ieee80211_scan_rx+0x552/0xa40
 ieee80211_rx_list+0x29e5/0x3710
 ieee80211_rx_napi+0x1b1/0x3e0
 ieee80211_handle_queued_frames+0xe8/0x1e0
 tasklet_action_common+0x2da/0x4b0
 handle_softirqs+0x22a/0x870
 __irq_exit_rcu+0x5f/0x150
 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+0x47/0x80
Code: f7 e8 9d 37 10 f6 f7 c3 00 02 00 00 74 05 e8 10 ba 3a f6 9c 58 a9 00 02 00 00 75 27 f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> 74 28 02 f6 65 8b 05 3d e4 66 07 85 c0 74 18 5b 41 5e c3 cc cc
RSP: 0018:ffffc90004b9fce8 EFLAGS: 00000206
RAX: 0000000000000002 RBX: 0000000000000283 RCX: 0000000080000001
RDX: 0000000000000006 RSI: ffffffff8dcf1f4e RDI: 0000000000000001
RBP: ffffc90004b9fee0 R08: ffffffff8ff0e0b7 R09: 1ffffffff1fe1c16
R10: dffffc0000000000 R11: fffffbfff1fe1c17 R12: 1ffff92000973fb0
R13: ffff8881076a8648 R14: ffff888108b9a400 R15: ffff888108b9a400
 __se_sys_perf_event_open+0x1937/0x1d60
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3d0af9acb9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f3d0be0e028 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f3d0b215fa0 RCX: 00007f3d0af9acb9
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000480
RBP: 00007f3d0b008bf7 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3d0b216038 R14: 00007f3d0b215fa0 R15: 00007ffe7fc6fcf8
 </TASK>
sched: DL replenish lagged too much
