rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10498 ticks this GP) idle=b2a4/1/0x4000000000000000 softirq=21820/21824 fqs=5247
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   969042          0            0
rcu: 	cputime:    24357      28142           94   ==> 52510(ms)
rcu: 	(t=10502 jiffies g=11169 q=2789 ncpus=2)
CPU: 1 UID: 0 PID: 6803 Comm: syz.3.338 Not tainted 6.16.0-rc6-syzkaller-00434-gcd7c97f4584a-dirty #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:rcu_read_unlock_special+0x87/0x4c0
Code: f1 f1 f1 00 f2 f2 f2 4a 89 04 2b 66 42 c7 44 2b 09 f3 f3 42 c6 44 2b 0b f3 65 44 8b 35 92 37 f8 10 41 f7 c6 00 00 f0 00 74 49 <48> c7 44 24 40 0e 36 e0 45 4a c7 04 2b 00 00 00 00 66 42 c7 44 2b
RSP: 0018:ffffc900001e0b40 EFLAGS: 00000206
RAX: 4affb4f0b73e8900 RBX: 1ffff9200003c170 RCX: 4affb4f0b73e8900
RDX: 0000000000000002 RSI: ffffffff8d998727 RDI: ffffffff8be29f80
RBP: ffffc900001e0c28 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: ffffffff8e144400
R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000002
FS:  00007f4b3f11b6c0(0000) GS:ffff8881a3c1f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f97780e56c0 CR3: 00000000228fe000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 __rcu_read_unlock+0x84/0xe0
 mac80211_hwsim_beacon+0xbb/0x1c0
 __hrtimer_run_queues+0x52c/0xc60
 hrtimer_run_softirq+0x187/0x2b0
 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:raw_spin_rq_unlock_irq+0x13/0x90
Code: cc e8 f1 7d db 09 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 41 57 41 56 53 66 90 e8 44 0b de 09 e8 bf 9f 34 00 fb 5b <41> 5e 41 5f c3 cc cc cc cc cc f3 0f 1e fa 49 be 00 00 00 00 00 fc
RSP: 0018:ffffc90002f7f708 EFLAGS: 00000286
RAX: 4affb4f0b73e8900 RBX: ffff88802252ddc0 RCX: 4affb4f0b73e8900
RDX: 0000000000000006 RSI: ffffffff8d998727 RDI: ffffffff8be29f80
RBP: ffffc90002f7f930 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: ffff88802252d640
R13: dffffc0000000000 R14: ffff88802252d640 R15: ffff888136639fc0
 __schedule+0x1948/0x4d00
 preempt_schedule_irq+0xb5/0x150
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:ieee80211_ibss_leave+0x0/0x150
Code: 38 c1 0f 8c 98 f9 ff ff 4c 89 e7 e8 1a 8f 3f f7 e9 8b f9 ff ff 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <66> 0f 1f 00 41 57 41 56 41 54 53 48 89 fb 49 bf 00 00 00 00 00 fc
RSP: 0018:ffffc90002f7faa8 EFLAGS: 00000282
RAX: ffffffff8ae792ad RBX: ffff888023c34000 RCX: 0000000000080000
RDX: ffffc90003211000 RSI: 0000000000000bb5 RDI: ffff888023c34d80
RBP: dffffc0000000000 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: ffffffff8ae792a0 R12: ffff888038ca0700
R13: ffffffff8caf4a50 R14: ffff888023c34d90 R15: ffff888038ca0000
 cfg80211_leave_ibss+0x1e7/0x410
 cfg80211_change_iface+0x4e3/0xef0
 cfg80211_wext_siwmode+0x1db/0x2a0
 ioctl_standard_call+0xcb/0x1b0
 wext_ioctl_dispatch+0xee/0x410
 wext_handle_ioctl+0x100/0x1c0
 sock_ioctl+0x15f/0x790
 __se_sys_ioctl+0xfc/0x170
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4b3e38eb69
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:00007f4b3f11b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f4b3e5b5fa0 RCX: 00007f4b3e38eb69
RDX: 0000200000000080 RSI: 0000000000008b06 RDI: 000000000000000a
RBP: 00007f4b3e411df1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f4b3e5b5fa0 R15: 00007ffd5e76a758
 </TASK>
sched: DL replenish lagged too much
