rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (6853 ticks this GP) idle=14c4/1/0x4000000000000000 softirq=69488/69488 fqs=4663
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1319166          0            0
rcu: 	cputime:    30738      21751           71   ==> 52490(ms)
rcu: 	(t=10500 jiffies g=55833 q=3545 ncpus=2)
CPU: 1 UID: 0 PID: 15015 Comm: syz.0.2315 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:ieee80211_inform_bss+0xab4/0x1160
Code: 50 42 0f b6 04 28 84 c0 0f 85 26 03 00 00 80 3a 00 0f 84 a9 00 00 00 49 81 c6 e8 07 00 00 4c 89 f0 48 c1 e8 03 42 80 3c 28 00 <74> 08 4c 89 f7 e8 72 ef 14 f7 bb a8 01 00 00 49 03 1e 48 8b 44 24
RSP: 0018:ffffc90000a081a0 EFLAGS: 00000246
RAX: 1ffff11023dd51e1 RBX: ffff88816ef45b18 RCX: ffff88817aba8000
RDX: ffffc90000a08a08 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000a082d0 R08: 000000006c604830 R09: 1ffff11021c60f1c
R10: dffffc0000000000 R11: ffffed1021c60f1d R12: ffff88810e307868
R13: dffffc0000000000 R14: ffff88811eea8f08 R15: ffff88810e307917
FS:  00007f98cf6ee6c0(0000) GS:ffff8882a945c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b34716ff8 CR3: 000000017b37a000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000200000000300 DR2: 0000200000000300
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 cfg80211_inform_single_bss_data+0xd08/0x1b70
 cfg80211_inform_bss_data+0x266/0x3c40
 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 1d c1 f0 f5 f7 c3 00 02 00 00 74 05 e8 d0 1a 1c 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> e4 7d e2 f5 65 8b 05 0d d0 6a 07 85 c0 74 18 5b 41 5e c3 cc cc
RSP: 0018:ffffc9000794fb20 EFLAGS: 00000206
RAX: 0000000000000006 RBX: 0000000000000287 RCX: 0000000000000002
RDX: 0000000000000000 RSI: ffffffff8def8ec0 RDI: 0000000000000001
RBP: ffff888175a1d7c0 R08: ffffffff9011b3b7 R09: 1ffffffff2023676
R10: dffffc0000000000 R11: fffffbfff2023677 R12: dffffc0000000000
R13: 1ffff110478c7788 R14: ffff888175a1e238 R15: ffff88823c63bc40
 try_to_wake_up+0x7be/0x1390
 wake_up_q+0x85/0xd0
 futex_wake+0x49a/0x580
 do_futex+0x395/0x420
 __se_sys_futex+0x3a8/0x450
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f98ce79c799
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:00007f98cf6ee0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007f98cea16098 RCX: 00007f98ce79c799
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f98cea1609c
RBP: 00007f98cea16090 R08: 3fffffffffffffff R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f98cea16128 R14: 00007ffd05da0f70 R15: 00007ffd05da1058
 </TASK>
clocksource: Long readout interval, skipping watchdog check: cs_nsec: 67782047423 wd_nsec: 67782052355
