rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (9455 ticks this GP) idle=7c2c/1/0x4000000000000000 softirq=262476/262476 fqs=5060
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1347134          0            0
rcu: 	cputime:    30485      22003           68   ==> 52500(ms)
rcu: 	(t=10502 jiffies g=268545 q=1893 ncpus=2)
CPU: 1 UID: 0 PID: 23852 Comm: syz.7.14650 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:memcpy_orig+0x1d/0x130
Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 48 89 f8 48 83 fa 20 72 7e 40 38 fe 7c 35 48 83 ea 20 48 83 ea 20 4c 8b 06 4c 8b 4e 08 <4c> 8b 56 10 4c 8b 5e 18 48 8d 76 20 4c 89 07 4c 89 4f 08 4c 89 57
RSP: 0018:ffffc90000a082d8 EFLAGS: 00000287
RAX: ffff88816067439d RBX: 0000000000000028 RCX: ffffffff8afb8766
RDX: ffffffffffffffe8 RSI: ffff88804a179ff4 RDI: ffff88816067439d
RBP: ffffc90000a084d0 R08: 1010101010100600 R09: 120c968b84820801
R10: dffffc0000000000 R11: ffffed102c0ce879 R12: dffffc0000000000
R13: ffffc90000a08810 R14: ffff88816067439d R15: 1ffff1102c0ce873
FS:  00007fe53b0b66c0(0000) GS:ffff8882a945a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000001d53ea000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000200000000300 DR2: 0000200000000300
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 cfg80211_inform_single_bss_data+0xa96/0x1b70
 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:preempt_schedule_irq+0x48/0xa0
Code: 49 be 00 00 00 00 00 fc ff df eb 09 48 f7 03 10 00 00 00 74 53 bf 01 00 00 00 e8 e3 e7 e3 f5 e8 4e 86 1d f6 fb bf 01 00 00 00 <e8> c3 a6 ff ff 9c 58 fa a9 00 02 00 00 74 05 e8 24 88 1d f6 bf 01
RSP: 0018:ffffc90007d2fa90 EFLAGS: 00000206
RAX: 000000000000ef41 RBX: 0000000000000000 RCX: 0000000000000001
RDX: 0000000000000000 RSI: ffffffff8def8e53 RDI: 0000000000000001
RBP: 0000000000000000 R08: ffffffff9011b4b7 R09: 1ffffffff2023696
R10: dffffc0000000000 R11: fffffbfff2023697 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
 irqentry_exit+0x599/0x620
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:try_to_wake_up+0x0/0x1390
Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 7c 99 48 89 df e8 35 5a 9b 00 eb 8f 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <0f> 1f 40 d6 55 41 57 41 56 41 55 41 54 53 48 83 ec 48 41 89 d6 41
RSP: 0018:ffffc90007d2fbb0 EFLAGS: 00000246
RAX: 1ffff11034b854ff RBX: ffff8881a5c2a7f8 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000003 RDI: ffff8881a5c29d40
RBP: ffffc90007d2fcf0 R08: ffff8881d07227cb R09: 1ffff1103a0e44f9
R10: dffffc0000000000 R11: ffffed103a0e44fa R12: 0000000000000001
R13: dffffc0000000000 R14: ffff8881d0722808 R15: dffffc0000000000
 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: 0033:0x7fe53a19c799
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:00007fe53b0b60e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007fe53a416098 RCX: 00007fe53a19c799
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fe53a41609c
RBP: 00007fe53a416090 R08: 3fffffffffffffff R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fe53a416128 R14: 00007ffcf702fa60 R15: 00007ffcf702fb48
 </TASK>
