rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10443 ticks this GP) idle=1484/1/0x4000000000000000 softirq=32024/32025 fqs=4396
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1100579          0            0
rcu: 	cputime:    31995      20473           85   ==> 52470(ms)
rcu: 	(t=10500 jiffies g=18617 q=2662 ncpus=2)
CPU: 1 UID: 0 PID: 8528 Comm: syz.7.560 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:_ieee802_11_parse_elems_full+0x8ef/0x4550
Code: 0f 84 5f 01 00 00 41 81 ff e8 00 00 00 0f 84 c2 01 00 00 41 81 ff f4 00 00 00 0f 85 fa 08 00 00 e8 e6 f3 c2 f6 e9 b0 01 00 00 <45> 85 ff 0f 84 39 01 00 00 41 83 ff 01 0f 85 dd 08 00 00 e8 c9 f3
RSP: 0018:ffffc900001dfaa0 EFLAGS: 00000297
RAX: 0000000000000028 RBX: 0000000000000008 RCX: 0000000000000001
RDX: ffffffff8afcb66f RSI: ffffffff8f7ba5b0 RDI: 0000000000000000
RBP: ffffc900001dfe90 R08: ffff88802dfcd640 R09: 0000000000000028
R10: 00000000000000f4 R11: 0000000000000100 R12: ffff88811110861d
R13: ffff888111108645 R14: dffffc0000000000 R15: 0000000000000000
FS:  00007efce4fc36c0(0000) GS:ffff8881a3c1c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbd04b1c2b8 CR3: 00000001111be000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 ieee802_11_parse_elems_full+0x125a/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:__schedule+0x1a2/0x4cc0
Code: 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 f6 10 a9 f6 48 8b 1b 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 <74> 08 48 89 df e8 d4 10 a9 f6 48 81 3b 9d 6e ac 57 0f 85 b7 18 00
RSP: 0018:ffffc90008177820 EFLAGS: 00000246
RAX: 1ffff9200102e000 RBX: ffffc90008170000 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: ffffffff8be332e0 RDI: ffffffff8be332a0
RBP: ffffc90008177a30 R08: ffffffff8fa38137 R09: 1ffffffff1f47026
R10: dffffc0000000000 R11: fffffbfff1f47027 R12: ffff8881a3c1c000
R13: 0000000000000001 R14: ffff88802dfcd640 R15: 1ffff11026cc7551
 preempt_schedule_common+0x83/0xd0
 preempt_schedule+0xae/0xc0
 preempt_schedule_thunk+0x16/0x30
 try_to_wake_up+0x82b/0x12b0
 wake_up_q+0x85/0xd0
 futex_wake+0x4a0/0x560
 do_futex+0x395/0x420
 __se_sys_futex+0x36f/0x400
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7efce418eba9
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:00007efce4fc30e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007efce43d5fa8 RCX: 00007efce418eba9
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007efce43d5fac
RBP: 00007efce43d5fa0 R08: 7fffffffffffffff R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007efce43d6038 R14: 00007ffef0c1b6a0 R15: 00007ffef0c1b788
 </TASK>
